502544 - Firefox will not start due to point_except_handler4_common startup error [DWMAPI.DLL (6.0)]

Status: RESOLVED INVALID

(Core :: General, defect)

Description

[Noah (NoahSUMO/SolidSnake) [:Noah]]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2a1pre) Gecko/20090626 Firefox/3.0.10
Build Identifier: 

Users upgrading to 3.5 experience this:

After upgrading to ver 3.5, whenever I try to open Mozilla I get the error message:
"The procedure entry point_except_handler4_common could not be located in the dynamic link library msvcrt.dll"
I tried to deactivate Java quick starter, even .Net framework assistant, still no result.

Users submitted dependency walker logs per timeless' suggestion. Will attach.

Reproducible: Always

Comment 1

[Noah (NoahSUMO/SolidSnake) [:Noah]]

Attachment: Dependency Walker logs

Comment 2

[Matthias Versen [:Matti]]

Isn't this http://support.mozilla.com/tiki-view_forum_thread.php?locale=nl&forumId=1&comments_parentId=380925 ?

Comment 3

[Noah (NoahSUMO/SolidSnake) [:Noah]]

dwmapi.dll is the problem. Find and delete dwmapi.dll. Your logs pointed us there.

Quoted from http://bytes.com/groups/net-vc/611031-vista-xp-msvcrt-dll-error#post3244464

I ran across a customer who uses our software and had the very same problem.
As it turned out, he had copied a number of DLLs that were shipped with Visa
onto his XP system (and *please* don't ask me why people do this...). Among
those DLLs was the dwmapi.dll that had the fatal msvcrt.dll dependency to
the Vista version of msvcrt.dll which exports the _except_hander4...
Deleting that DLL solved the problem in his case.

Comment 4

[Noah (NoahSUMO/SolidSnake) [:Noah]]

Attachment: Screenshot of dialog

Comment 5

[Noah (NoahSUMO/SolidSnake) [:Noah]]

(In reply to comment #2)
> Isn't this
> http://support.mozilla.com/tiki-view_forum_thread.php?locale=nl&forumId=1&comments_parentId=380925 ?

Yes, I already had that in the URL field, under QA contact. And that thread was the very reason I filed this bug.

Comment 6

[Matthias Versen [:Matti]]

marking invalid (not our bug, fixed is only used with a patch in the bug for the mozilla source)

Comment 7

[Noah (NoahSUMO/SolidSnake) [:Noah]]

Ah, indeed. Thanks matti.

Extra info:
This error is caused by a 3rd party utility or application overwriting your msvcrt.dll with a different version.

For example if a windows vista version of this DLL was copied on to a windows XP computer you would probably get this error.

Comment 11

[Art Nickel]

Upon downloading: 
Mozilla/5.0 (Windows: U; Windows NT 5.1; en-US; fr:1.9.1.6)Gecko/20091201 Firefox/3.5.6(.NET CLR 3.5.30729)

Received ERROR:
    firefox.exe - Entry Point Not Found
    X
    The procedure entry point_except_handler4_common could not be located in the dynamic link library msvcrt.dll.
    [OK]

Prior to this download I have never received this error message.

If it is a local problem please explain where I might find the fix (sorry, wife just died and I'm not real good at looking stuff up right now).

If this procedure was in the DLL then it was either removed or corrupted during the install.

If this isn't local then you might want to reinstate 502544 again.