Mist. Jetzt habe ich es gerade in einem anderen Profil ausprobiert und siehe da, da stimmt alles. Das Fenster verhält sich normal.
Es wird eins meiner Add-Ons sein, also eins der folgenden:
Code
Erweiterungen
Adblock Plus, 2.3.2, true, {d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
Allow HTML Temp, 3.6.4, true, {532269cf-a10e-4396-8613-b5d9a9a516d4}
AttachmentExtractor, 1.3.5.1, true, {35834d20-efdb-4f78-ab77-9635fb4e56c4}
Change quote and reply format, 0.8a8, true, {f6090211-2004-44d8-9090-be3c2adfd66f}
Clean Subject, 0.4.3, true, cleansubject@style-biz.de
Close tab on ESC, 0.0.5, true, CloseTabOnEsc@david-winter.at
Contact Tabs, 2.0.4, true, contacttabs@janek.org
Enigmail, 1.5.2, true, {847b3a00-7ab1-11d4-8f02-006008948af5}
Folderpane Tools, 0.6.1, true, {b243fe83-b8a7-47de-855d-21d865243d5d}
gContactSync, 0.3.5, true, gContactSync@pirules.net
Google Tasks Sync, 0.5.1, true, google_tasks_sync@tomasz.lewoc
Google+ Tab, 1.0, true, google-plus-tab@michael.grafl
Header Tools Lite, 0.4.4, true, headerToolsLite@kaosmos.nnp
keyconfig, 20110522, true, keyconfig@dorando
Lightning, 1.9.1, true, {e2fda1a4-762b-4020-b5ad-a41df1933103}
Manually Sort Folders, 1.1, true, tbsortfolders@xulforum.org
Mark All Read Button Postbox, 0.6, true, {31610063-4733-42bb-beb0-50d17eea5f02}
MarkSubfolders New, 1.0.3, true, {25d7aa80-9f4b-11e1-a8b0-0800200c9a66}
ProfileSwitcher, 1.5.0.4, true, {fa8476cf-a98c-4e08-99b4-65a69cb4b7d4}
Provider für Google Kalender, 0.18, true, {a62ef8ec-5fdc-40c2-873c-223b8a6925cc}
Quicktext, 0.9.11.5, true, {8845E3B3-E8FB-40E2-95E9-EC40294818C4}
Remove Duplicate Messages, 0.1.13, true, {12345678-1234-1234-1234-123456789abc}
Restartless Restart, 9, true, restartless.restart@erikvold.com
Right Click Watch Ignore, 0.2.3, true, {d6532e44-266f-11db-9628-00e08161165f}
Saved Password Editor, 2.7, true, savedpasswordeditor@daniel.dawson
Simple Search-For Extension, 0.6.100102, true, ssfe@olive
checkCompatibility, 1.3, false, check-compatibility@dactyl.googlecode.com
Contacts Sidebar, 0.7.1, false, {4dce973c-25a5-4657-8e37-6c2a85c24a7e}
Country Lookup, 2.0, false, countrylookup@fvds.frih.net
Display mail route, 0.3.1, false, {F8147CF4-B9E3-445B-AA87-081ED66548FB}
Display Mail User Agent, 1.6.9, false, {F8147CF4-B9E3-445B-AA87-081ED66548F8}
ImportExportTools, 2.8.0.4, false, {3ed8cc52-86fc-4613-9026-c1ef969da4c3}
Mail Tweak, 1.0pre10, false, mail-tweak@rod.whiteley
MinimizeToTray Plus, 1.0.8, false, {de1b245c-de57-11da-ba2d-0050c2490048}
MR Tech Toolkit, 6.0.4, false, {9669CC8F-B388-42FE-86F4-CB5E7F5A8BDC}
Newsgroup Links, 0.1.1, false, newsgrouplinks@fvds.frih.net
Remove Duplicate Messages (Alternate), 0.3.7, false, {a300a000-5e21-4ee0-a115-9ec8f4eaa92b}
Restart Thunderbird, 1.0, false, restarttb@briks.si
TB Header Tools Extension, 0.7, false, {72C9D014-F94A-4f1a-8FD4-6F160DFE143B}
TB Properties, 0.8, false, {DC0FA4BC-CB10-4563-9D89-2DC2C8F72A44}
ThreadVis, 2.1.702, false, {A23E4120-431F-4753-AE53-5D028C42CFDC}
Thunderbird Conversations, 2.6.3, false, gconversation@xulforum.org
Toolbar Buttons, 1.0, false, {03B08592-E5B4-45ff-A0BE-C1D975458688}
Unified Search, 0.7.1, false, {FAD2EADC-7D70-11DF-8B33-89D1DED72085}
URL Link, 2.04.1, false, {139a120b-c2ea-41d2-bf70-542d9f063dfd}
Virtual Identity, 0.6.8, false, {dddd428e-5ac8-4a81-9f78-276c734f75b8}
xSearchbarT2, 0.4, false, xsearchbar@aleytys.pc.my
xSidebar for Thunderbird, 0.7, false, xsidebarTIG@aleytys.pc.my
Zindus, 0.8.42, false, {ad7d8a66-253b-11dc-977c-000c29a3126e}
Alles anzeigen
Da kann ich erst mal suchen (im Iterationsverfahren).
Vielleicht brauche ich die ganzen Add-Ons ja gar nicht alle