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after I install update scanner 3.0 beta 1 on firefox 3.0.5 it is often crashing. it usually happen when I click on popup to open changed windows but once it happen without any action from me. there is a window that firefox crashed and I can send that informations to mozilla:

Add-ons: {d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}:1.0,elemhidehelper@adblockplus.org:1.0.5,{5556F97E-11A5-46b0-9082-32AD74AAA920}:0.4.1.6,change@c-est-simple.com:0.0.0.10,{6AC85730-7D0F-4de0-B3FA-21142DD85326}:2.0,{1280606b-2510-4fe0-97ef-9b5a22eafe80}:0.3.9.1,{61ED2A9A-39EB-4AAF-BD14-06DFBE8880C3}:1.0.2,firebug@software.joehewitt.com:1.2.1,{04426594-bce6-4705-b811-bcdba2fd9c7b}:0.65,hide.unvisited@agadak.net:3,{1A2D0EC4-75F5-4c91-89C4-3656F6E44B68}:0.3.1,{CAFEEFAC-0016-0000-0001-ABCDEFFEDCBA}:6.0.01,{CAFEEFAC-0016-0000-0005-ABCDEFFEDCBA}:6.0.05,{CAFEEFAC-0016-0000-0004-ABCDEFFEDCBA}:6.0.04,{CAFEEFAC-0016-0000-0007-ABCDEFFEDCBA}:6.0.07,{cf15270e-cf08-4def-b4ea-6a5ac23f3bca}:2.0.5,{75CEEE46-9B64-46f8-94BF-54012DE155F0}:0.3.8,{EDA7B1D7-F793-4e03-B074-E6F303317FB0}:1.2.6,{46868735-c3fa-47ce-8ce7-cce51a66aceb}:1.2,{F0B6E3F9-ECD1-40b6-A25F-5C3FF68FB079}:1.0.0,page_info_links@francev_nikolay:0.7,pastego@jeremy:2.0.3,rotateimage@minisystems.de:0.1.3.1,savecomplete@perlprogrammer.com:0.9b11,savesession@noasobi.net:1.3.1.5,{02450954-cdd9-410f-b1da-db804e18c671}:0.95,{6641C782-EC22-11DA-81F9-6FE8AF67805C}:0.5.1,viewsourceintab@piro.sakura.ne.jp:0.3.2008120201,{51f7946d-ae93-4fa4-95f5-a1a4a84a5164}:1.0.0,{61D0D7AF-4FF6-476a-B68F-6531F613A6D8}:0.2.2,{46551EC9-40F0-4e47-8E18-8E5CF550CFB8}:0.5.8,undoclosedtabsbutton@supernova00.biz:3.0.3,en-US@dictionaries.addons.mozilla.org:3.0.3,{c07d1a49-9894-49ff-a594-38960ede8fb9}:3.0beta1,{433AF77F-54E5-425b-81D7-6884C7AE77E6}:2.2.0,{e968fc70-8f95-4ab9-9e79-304de2a71ee1}:0.6.11,{c45c406e-ab73-11d8-be73-000a95be3b12}:1.1.6,{972ce4c6-7e08-4474-a285-3208198ce6fd}:3.0.5
BuildID: 2008120122
CrashTime: 1230233453
InstallTime: 1229553328
ProductName: Firefox
SecondsSinceLastCrash: 23319
StartupTime: 1230233343
Theme: classic/1.0
UserID: 56bf8007-12a7-4580-80e1-cc20ea231690
Vendor: Mozilla
Version: 3.0.5