(In reply to Hartmut Welpmann [:welpy-cw] from comment #29) > If repairing the folder helps, In fact, “Repair Folder” (see Comment #8 / Comment #15) is causing the problem for me. STR: 1. Unsubscribe group. 2. Close Thunderbird. 3. Make sure that all group files in the profile have been deleted. 4. Start Thunderbird. 5. Subscribe to the group. 6. "Group" -> Context menu -> Properties -> /Synchronization\ => [x] Select this folder for offline use 7. "Group" -> Context menu -> Properties -> /Synchronization\ => [Download Now] 8. Select "Group" 9. Menu -> Message -> Mark -> All Read 10. Restart Thunderbird Check: all articles are still read 11. "Group" -> Context menu -> Properties -> /General Information\ => [Repair Folder] Check: closed threads have underscore now. 12. Select an article and Menu -> Go -> Next -> Unread Message Thunderbird opens all Threads but doesn't find any unread articles.
Bug 520582 Comment 30 Edit History
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(In reply to Hartmut Welpmann [:welpy-cw] from comment #29) > If repairing the folder helps, In fact, “Repair Folder” (see comment #8 / comment #15) is causing the problem for me. STR: 1. Unsubscribe group. 2. Close Thunderbird. 3. Make sure that all group files in the profile have been deleted. 4. Start Thunderbird. 5. Subscribe to the group. 6. "Group" -> Context menu -> Properties -> /Synchronization\\ => [x] Select this folder for offline use 7. "Group" -> Context menu -> Properties -> /Synchronization\\ => [Download Now] 8. Select "Group" 9. Menu -> Message -> Mark -> All Read 10. Restart Thunderbird. Check: all articles are still read 11. "Group" -> Context menu -> Properties -> /General Information\\ => [Repair Folder] Check: closed threads have underscore now. 12. Select an article and Menu -> Go -> Next -> Unread Message Thunderbird opens all threads but doesn't find any unread articles.