Bug 1784591 Comment 28 Edit History

Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.

When this problem appears the following Window events are sent:

```

[Parent 11196: Main Thread]: I/WindowsEvent      2 - 0x0046 (0x00000000 0x4FCC5FDCE0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent      3 - 0x0083 (0x00000001 0x4FCC5FDCB0) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent      4 - 0x0047 (0x00000000 0x4FCC5FDCE0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent      5 - 0x007F (0x00000002 0x00000000) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent      6 - 0x007F (0x00000000 0x00000000) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent      7 - 0x007F (0x00000001 0x00000000) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent      8 - 0x0046 (0x00000000 0x4FCC5FD990) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent      9 - 0x0047 (0x00000000 0x4FCC5FD990) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     10 - 0x0046 (0x00000000 0x4FCC5FDBB0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     11 - 0x0083 (0x00000001 0x4FCC5FDB80) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     12 - 0x0047 (0x00000000 0x4FCC5FDBB0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     13 - 0x000C (0x00000000 0x15BFBEBED48) WM_SETTEXT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     14 - 0x0046 (0x00000000 0x4FCC5FC9B0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     15 - 0x0083 (0x00000001 0x4FCC5FC980) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     16 - 0x0047 (0x00000000 0x4FCC5FC9B0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     17 - 0x0024 (0x00000000 0x4FCC5FCD00) WM_GETMINMAXINFO: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     18 - 0x0046 (0x00000000 0x4FCC5FCD00) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     19 - 0x0083 (0x00000001 0x4FCC5FCCD0) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     20 - 0x0046 (0x00000000 0x4FCC5FCD00) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     21 - 0x001C (0x00000001 0x00000000) WM_ACTIVATEAPP: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     22 - 0x0086 (0x00000000 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     23 - 0x0086 (0x00000000 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     24 - 0x0006 (0x00000001 0x00000000) WM_ACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     25 - 0x0281 (0x00000001 0x4000000F) WM_IME_SETCONTEXT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     26 - 0x0282 (0x00000002 0x00000000) WM_IME_NOTIFY: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     27 - 0x003D (0xFFFFFFFF 0xFFFFFFFC) WM_GETOBJECT: 0x0000C0A6 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     28 - 0x003D (0xFFFFFFFF 0x00000000) WM_GETOBJECT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     29 - 0x003D (0x00000000 0xFFFFFFFFFFFFFFF4) WM_GETOBJECT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     30 - 0x007F (0x00000001 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     31 - 0x0007 (0x00000000 0x00000000) WM_SETFOCUS: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     32 - 0x0085 (0x00000001 0x00000000) WM_NCPAINT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     33 - 0x0014 (0x560106C1 0x00000000) WM_ERASEBKGND: 0x00000001 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     34 - 0x007F (0x00000002 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     35 - 0x0046 (0x00000000 0x4FCC5FC300) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     36 - 0x0083 (0x00000001 0x4FCC5FC2D0) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     37 - 0x0085 (0x00000001 0x00000000) WM_NCPAINT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     38 - 0x0014 (0xFFFFFFFFF501070E 0x00000000) WM_ERASEBKGND: 0x00000001 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     39 - 0x0047 (0x00000000 0x4FCC5FC300) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     40 - 0x0047 (0x00000000 0x4FCC5FCD00) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     41 - 0x0127 (0x00030001 0x00000000) WM_CHANGEUISTATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     42 - 0x0128 (0x00030001 0x00000000) WM_UPDATEUISTATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     43 - 0x007F (0x00000000 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     44 - 0x000F (0x00000000 0x00000000) WM_PAINT: 0x00000001 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     45 - 0x8316 (0x0974C633 0x00000000) Unknown: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     46 - 0xC0D1 (0x00000000 0x00000000) Unknown: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     47 - 0x0024 (0x00000000 0x4FCC5FE9E0) WM_GETMINMAXINFO: 0x00000000 (false)
```

Then when I minimize the window the following events are sent:

```
[Parent 11196: Main Thread]: I/WindowsEvent     48 - 0x0086 (0x00000001 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     49 - 0x0046 (0x00000000 0x4FCC5FE9E0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     50 - 0x0047 (0x00000000 0x4FCC5FE9E0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
*** You are running in background task mode. ***
*** You are running in headless mode.
[Parent 11196: Main Thread]: I/WindowsEvent     51 - 0x031F (0x00000001 0x00000000) WM_DWMNCRENDERINGCHANGED: 0x00000000 (false)
console.error: "C:\\Users\\henrik\\AppData\\Local\\Temp\\tmpca4zw6su.mozrunner" "" 0 ".purge.bg_rm"
[Parent 11196: Main Thread]: I/WindowsEvent     52 - 0x0086 (0x00000000 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     53 - 0x0006 (0x00000000 0x00000000) WM_ACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     54 - 0x001C (0x00000000 0x00001BD4) WM_ACTIVATEAPP: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     55 - 0x001C (0x00000000 0x00001BD4) WM_ACTIVATEAPP: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     56 - 0x0008 (0x00000000 0x00000000) WM_KILLFOCUS: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     57 - 0x0281 (0x00000000 0xC000000F) WM_IME_SETCONTEXT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     58 - 0x0282 (0x00000001 0x00000000) WM_IME_NOTIFY: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     59 - 0x000C (0x00000000 0x7FFDB6535E32) WM_SETTEXT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     60 - 0x007F (0x00000001 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     61 - 0x007F (0x00000002 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     62 - 0x007F (0x00000000 0x00000060) WM_GETICON: 0x00000000 (false)
1660901387345   Marionette      TRACE   Received observer notification browser-idle-startup-tasks-finished
```
In the working case the following events are visible:

```
[Parent 7260: Main Thread]: I/WindowsEvent     47 - 0x0024 (0x00000000 0x62D07FE890) WM_GETMINMAXINFO: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     48 - 0x007C (0xFFFFFFFFFFFFFFF0 0x62D07FDC50) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     49 - 0x007D (0xFFFFFFFFFFFFFFF0 0x62D07FDC50) WM_STYLECHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     50 - 0x007C (0xFFFFFFFFFFFFFFEC 0x62D07FDCA0) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     51 - 0x007D (0xFFFFFFFFFFFFFFEC 0x62D07FDCA0) WM_STYLECHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     52 - 0x007C (0xFFFFFFFFFFFFFFF0 0x62D07FDCA0) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     53 - 0x007D (0xFFFFFFFFFFFFFFF0 0x62D07FDCA0) WM_STYLECHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     54 - 0x007C (0xFFFFFFFFFFFFFFEC 0x62D07FDCA0) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     55 - 0x007D (0xFFFFFFFFFFFFFFEC 0x62D07FDCA0) WM_STYLECHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     56 - 0x007C (0xFFFFFFFFFFFFFFEC 0x62D07FDD10) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     57 - 0x007D (0xFFFFFFFFFFFFFFEC 0x62D07FDD10) WM_STYLECHANGED: 0x00000000 (false)
console.warn: SearchSettings: "get: No settings file exists, new profile?" (new NotFoundError("Could not open the file at C:\\Users\\henrik\\AppData\\Local\\Temp\\tmpuk6t9x2q.mozrunner\\search.json.mozlz4", (void 0)))
[Parent 7260: Main Thread]: I/WindowsEvent     58 - 0x031F (0x00000001 0x00000000) WM_DWMNCRENDERINGCHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     59 - 0x000C (0x00000000 0x7FFDB6535E32) WM_SETTEXT: 0x00000000 (false)
*** You are running in background task mode. ***
*** You are running in headless mode.
console.error: "C:\\Users\\henrik\\AppData\\Local\\Temp\\tmpuk6t9x2q.mozrunner" "" 0 ".purge.bg_rm"
[Parent 7260: Main Thread]: I/WindowsEvent     60 - 0x8316 (0x097DA12B 0x00000000) Unknown: 0x00000000 (false)
1660901804267   Marionette      TRACE   Received observer notification browser-idle-startup-tasks-finished
```
When this problem appears the following Window events are sent:

```

[Parent 11196: Main Thread]: I/WindowsEvent      2 - 0x0046 (0x00000000 0x4FCC5FDCE0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent      3 - 0x0083 (0x00000001 0x4FCC5FDCB0) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent      4 - 0x0047 (0x00000000 0x4FCC5FDCE0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent      5 - 0x007F (0x00000002 0x00000000) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent      6 - 0x007F (0x00000000 0x00000000) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent      7 - 0x007F (0x00000001 0x00000000) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent      8 - 0x0046 (0x00000000 0x4FCC5FD990) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent      9 - 0x0047 (0x00000000 0x4FCC5FD990) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     10 - 0x0046 (0x00000000 0x4FCC5FDBB0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     11 - 0x0083 (0x00000001 0x4FCC5FDB80) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     12 - 0x0047 (0x00000000 0x4FCC5FDBB0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     13 - 0x000C (0x00000000 0x15BFBEBED48) WM_SETTEXT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     14 - 0x0046 (0x00000000 0x4FCC5FC9B0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     15 - 0x0083 (0x00000001 0x4FCC5FC980) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     16 - 0x0047 (0x00000000 0x4FCC5FC9B0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     17 - 0x0024 (0x00000000 0x4FCC5FCD00) WM_GETMINMAXINFO: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     18 - 0x0046 (0x00000000 0x4FCC5FCD00) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     19 - 0x0083 (0x00000001 0x4FCC5FCCD0) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     20 - 0x0046 (0x00000000 0x4FCC5FCD00) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     21 - 0x001C (0x00000001 0x00000000) WM_ACTIVATEAPP: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     22 - 0x0086 (0x00000000 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     23 - 0x0086 (0x00000000 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     24 - 0x0006 (0x00000001 0x00000000) WM_ACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     25 - 0x0281 (0x00000001 0x4000000F) WM_IME_SETCONTEXT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     26 - 0x0282 (0x00000002 0x00000000) WM_IME_NOTIFY: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     27 - 0x003D (0xFFFFFFFF 0xFFFFFFFC) WM_GETOBJECT: 0x0000C0A6 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     28 - 0x003D (0xFFFFFFFF 0x00000000) WM_GETOBJECT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     29 - 0x003D (0x00000000 0xFFFFFFFFFFFFFFF4) WM_GETOBJECT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     30 - 0x007F (0x00000001 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     31 - 0x0007 (0x00000000 0x00000000) WM_SETFOCUS: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     32 - 0x0085 (0x00000001 0x00000000) WM_NCPAINT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     33 - 0x0014 (0x560106C1 0x00000000) WM_ERASEBKGND: 0x00000001 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     34 - 0x007F (0x00000002 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     35 - 0x0046 (0x00000000 0x4FCC5FC300) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     36 - 0x0083 (0x00000001 0x4FCC5FC2D0) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     37 - 0x0085 (0x00000001 0x00000000) WM_NCPAINT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     38 - 0x0014 (0xFFFFFFFFF501070E 0x00000000) WM_ERASEBKGND: 0x00000001 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     39 - 0x0047 (0x00000000 0x4FCC5FC300) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     40 - 0x0047 (0x00000000 0x4FCC5FCD00) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     41 - 0x0127 (0x00030001 0x00000000) WM_CHANGEUISTATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     42 - 0x0128 (0x00030001 0x00000000) WM_UPDATEUISTATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     43 - 0x007F (0x00000000 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     44 - 0x000F (0x00000000 0x00000000) WM_PAINT: 0x00000001 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     45 - 0x8316 (0x0974C633 0x00000000) Unknown: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     46 - 0xC0D1 (0x00000000 0x00000000) Unknown: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     47 - 0x0024 (0x00000000 0x4FCC5FE9E0) WM_GETMINMAXINFO: 0x00000000 (false)
```

Then when I minimize the window the following events are sent:

```
[Parent 11196: Main Thread]: I/WindowsEvent     48 - 0x0086 (0x00000001 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     49 - 0x0046 (0x00000000 0x4FCC5FE9E0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 11196: Main Thread]: I/WindowsEvent     50 - 0x0047 (0x00000000 0x4FCC5FE9E0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
*** You are running in background task mode. ***
*** You are running in headless mode.
[Parent 11196: Main Thread]: I/WindowsEvent     51 - 0x031F (0x00000001 0x00000000) WM_DWMNCRENDERINGCHANGED: 0x00000000 (false)
console.error: "C:\\Users\\henrik\\AppData\\Local\\Temp\\tmpca4zw6su.mozrunner" "" 0 ".purge.bg_rm"
[Parent 11196: Main Thread]: I/WindowsEvent     52 - 0x0086 (0x00000000 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     53 - 0x0006 (0x00000000 0x00000000) WM_ACTIVATE: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     54 - 0x001C (0x00000000 0x00001BD4) WM_ACTIVATEAPP: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     55 - 0x001C (0x00000000 0x00001BD4) WM_ACTIVATEAPP: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     56 - 0x0008 (0x00000000 0x00000000) WM_KILLFOCUS: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     57 - 0x0281 (0x00000000 0xC000000F) WM_IME_SETCONTEXT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     58 - 0x0282 (0x00000001 0x00000000) WM_IME_NOTIFY: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     59 - 0x000C (0x00000000 0x7FFDB6535E32) WM_SETTEXT: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     60 - 0x007F (0x00000001 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     61 - 0x007F (0x00000002 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 11196: Main Thread]: I/WindowsEvent     62 - 0x007F (0x00000000 0x00000060) WM_GETICON: 0x00000000 (false)
1660901387345   Marionette      TRACE   Received observer notification browser-idle-startup-tasks-finished
```
In the working case the following events are visible:

```
[Parent 7260: Main Thread]: I/WindowsEvent      2 - 0x0046 (0x00000000 0x62D07FDB90) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent      3 - 0x0083 (0x00000001 0x62D07FDB60) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent      4 - 0x0047 (0x00000000 0x62D07FDB90) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent      5 - 0x007F (0x00000002 0x00000000) WM_GETICON: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent      6 - 0x007F (0x00000000 0x00000000) WM_GETICON: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent      7 - 0x007F (0x00000001 0x00000000) WM_GETICON: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent      8 - 0x0046 (0x00000000 0x62D07FD840) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent      9 - 0x0047 (0x00000000 0x62D07FD840) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     10 - 0x0046 (0x00000000 0x62D07FDA60) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     11 - 0x0083 (0x00000001 0x62D07FDA30) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     12 - 0x0047 (0x00000000 0x62D07FDA60) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     13 - 0x000C (0x00000000 0x2226B0E7528) WM_SETTEXT: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     14 - 0x0046 (0x00000000 0x62D07FE1A0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     15 - 0x0083 (0x00000001 0x62D07FE170) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     16 - 0x0047 (0x00000000 0x62D07FE1A0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     17 - 0x0024 (0x00000000 0x62D07FE4F0) WM_GETMINMAXINFO: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     18 - 0x0046 (0x00000000 0x62D07FE4F0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     19 - 0x0083 (0x00000001 0x62D07FE4C0) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     20 - 0x0046 (0x00000000 0x62D07FE4F0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     21 - 0x001C (0x00000001 0x00002A34) WM_ACTIVATEAPP: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     22 - 0x0086 (0x00000001 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     23 - 0x0086 (0x00000001 0x00000000) WM_NCACTIVATE: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     24 - 0x0006 (0x00000001 0x00000000) WM_ACTIVATE: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     25 - 0x0281 (0x00000001 0x4000000F) WM_IME_SETCONTEXT: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     26 - 0x0282 (0x00000002 0x00000000) WM_IME_NOTIFY: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     27 - 0x003D (0xFFFFFFFF 0xFFFFFFFC) WM_GETOBJECT: 0x0000C0FB (true)
[Parent 7260: Main Thread]: I/WindowsEvent     28 - 0x003D (0xFFFFFFFF 0x00000000) WM_GETOBJECT: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     29 - 0x003D (0x00000000 0xFFFFFFFFFFFFFFF4) WM_GETOBJECT: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     30 - 0x007F (0x00000001 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     31 - 0x0007 (0x00000000 0x00000000) WM_SETFOCUS: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     32 - 0x0085 (0x00000001 0x00000000) WM_NCPAINT: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     33 - 0x0014 (0xFFFFFFFF960108E8 0x00000000) WM_ERASEBKGND: 0x00000001 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     34 - 0x007F (0x00000002 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     35 - 0x0046 (0x00000000 0x62D07FDAF0) WM_WINDOWPOSCHANGING: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     36 - 0x0083 (0x00000001 0x62D07FDAC0) WM_NCCALCSIZE: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     37 - 0x0085 (0x00000001 0x00000000) WM_NCPAINT: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     38 - 0x0014 (0xFFFFFFFF960108E8 0x00000000) WM_ERASEBKGND: 0x00000001 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     39 - 0x0047 (0x00000000 0x62D07FDAF0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     40 - 0x0047 (0x00000000 0x62D07FE4F0) WM_WINDOWPOSCHANGED: 0x00000000 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     41 - 0x0127 (0x00030001 0x00000000) WM_CHANGEUISTATE: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     42 - 0x0128 (0x00030001 0x00000000) WM_UPDATEUISTATE: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     43 - 0x007F (0x00000000 0x00000060) WM_GETICON: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     44 - 0x000F (0x00000000 0x00000000) WM_PAINT: 0x00000001 (true)
[Parent 7260: Main Thread]: I/WindowsEvent     45 - 0x8316 (0x097D96BB 0x00000000) Unknown: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     46 - 0xC0D1 (0x00000000 0x00000000) Unknown: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     47 - 0x0024 (0x00000000 0x62D07FE890) WM_GETMINMAXINFO: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     48 - 0x007C (0xFFFFFFFFFFFFFFF0 0x62D07FDC50) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     49 - 0x007D (0xFFFFFFFFFFFFFFF0 0x62D07FDC50) WM_STYLECHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     50 - 0x007C (0xFFFFFFFFFFFFFFEC 0x62D07FDCA0) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     51 - 0x007D (0xFFFFFFFFFFFFFFEC 0x62D07FDCA0) WM_STYLECHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     52 - 0x007C (0xFFFFFFFFFFFFFFF0 0x62D07FDCA0) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     53 - 0x007D (0xFFFFFFFFFFFFFFF0 0x62D07FDCA0) WM_STYLECHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     54 - 0x007C (0xFFFFFFFFFFFFFFEC 0x62D07FDCA0) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     55 - 0x007D (0xFFFFFFFFFFFFFFEC 0x62D07FDCA0) WM_STYLECHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     56 - 0x007C (0xFFFFFFFFFFFFFFEC 0x62D07FDD10) WM_STYLECHANGING: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     57 - 0x007D (0xFFFFFFFFFFFFFFEC 0x62D07FDD10) WM_STYLECHANGED: 0x00000000 (false)
console.warn: SearchSettings: "get: No settings file exists, new profile?" (new NotFoundError("Could not open the file at C:\\Users\\henrik\\AppData\\Local\\Temp\\tmpuk6t9x2q.mozrunner\\search.json.mozlz4", (void 0)))
[Parent 7260: Main Thread]: I/WindowsEvent     58 - 0x031F (0x00000001 0x00000000) WM_DWMNCRENDERINGCHANGED: 0x00000000 (false)
[Parent 7260: Main Thread]: I/WindowsEvent     59 - 0x000C (0x00000000 0x7FFDB6535E32) WM_SETTEXT: 0x00000000 (false)
*** You are running in background task mode. ***
*** You are running in headless mode.
console.error: "C:\\Users\\henrik\\AppData\\Local\\Temp\\tmpuk6t9x2q.mozrunner" "" 0 ".purge.bg_rm"
[Parent 7260: Main Thread]: I/WindowsEvent     60 - 0x8316 (0x097DA12B 0x00000000) Unknown: 0x00000000 (false)
1660901804267   Marionette      TRACE   Received observer notification browser-idle-startup-tasks-finished
```

Back to Bug 1784591 Comment 28