message box, javascript application

things were fine until i recently installed an addon...but i dunno which one and what remedy...
i dunno where to ask help and the complex formal procedures involved....would anybody be kind enough to post help to

its.g.naveen@gmail.com

PROBLEM:
periodic pop-up of message-box right from just start-up till the end



My firefox configuration:

Generated: Thu Jun 11 2009 00:10:46 GMT+0530 (India Standard Time)
User Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10 (.NET CLR 3.5.30729)
Build ID: 2009042316

Enabled Extensions: [111]
- Adblock Plus 1.0.1: http://adblockplus.org/
- All-in-One Sidebar 0.7.10: http://firefox.exxile.net/aios
- Amazing Media Browser 0.27: http://www.vietnewsonline.com/phonglu
- AnyColor 0.2.6: http://pavlost.wordpress.com/
- Auto Context 1.4.5.6: https://addons.mozilla.org/firefox/ad...
- Auto Dial 7.1: http://ed.agadak.net/
- Autofill Forms 0.9.5.2: https://blueimp.net/mozilla/
- Automatic Save Folder 0.9.2: http://www.google.com/search?q=Firefo...
- Backgroundimage Saver 0.1.4: http://www.mobe.de/firefox/background...
- Bandwidth Meter and Diagnostics 1.2.5: http://www.dsl-speedtest.us
- Bandwidth Tester 0.5.9: http://mozmonkey.com
- Bookmark Duplicate Detector 0.7.5: http://bookmarkdd.mozdev.org/
- Broadband Speed Test and Diagnostics 1.2.5: http://www.dsl-speedtest.us
- BugMeNot 2.1: http://erichamiter.com
- Bulk Image Downloader 1.40.0.0: http://antibody-software.com
- CacheViewer 0.5b4: http://www.google.com/search?q=Firefo...
- CheckBoxMate 0.2: http://dragtotab.mozdev.org/checkboxm...
- CheckPlaces 1.3.2: http://www.andyhalford.com/checkplace...
- Clean And Close 2.3: http://twitter.com/cleanandclose
- CLEO 4.1: http://customsoftwareconsult.com/exte...
- Custom Download Manager 1.6c: https://addons.mozilla.org/firefox/ad...
- CustomizeGoogle 0.76: http://www.customizegoogle.com/
- DataFox 1.7: http://www.thegoan.com/datafox
- Download Manager Tweak 0.8.2: http://dmextension.mozdev.org/
- Download Panel 2009.04.11: https://addons.mozilla.org/en-US/fire...
- Download Sort 2.5.8: http://downloadstatusbar.mozdev.org/d...
- Download status 1.2: http://www.google.com/search?q=Firefo...
- Download Statusbar 0.9.6.4: http://downloadstatusbar.mozdev.org/
- DownloadHelper 4.4.1: http://www.downloadhelper.net
- DownThemAll! 1.1.1: http://downthemall.net/
- Embedded Objects 1.9: http://www.fcmartins.net/blog
- FEBE 6.1: http://customsoftwareconsult.com/exte...
- FfChrome 1.7: http://www.binaryturf.com
- FFMyIP 0.7.1: http://www.google.com/search?q=Firefo...
- Firefox ImageGrabber 1.0.4: http://www.google.com/search?q=Firefo...
- Firefox Showcase 0.9.5: http://showcase.uworks.net/
- Firefox Throttle 1.1.3: http://www.uselessapplications.com/Ap...
- firefusk 1.9: http://www.xoxosoma.com/code/firefusk
- FireSnarl 1.0.2: http://tlhan-ghun.de/MozillaSnarls/Fi...
- Fission 1.0.9: http://mozilla.zeniko.ch/fission.html
- Flash Video Resources Downloader 1.0.2: http://www.flvresources.com/
- FlashGot 1.1.8: http://flashgot.net
- FoxTab 1.1.2: http://www.foxtab.com/
- Get File 1.3.1: http://www.pastouchexp.info/firefox/
- Ghostery 1.3.9: http://www.ghostery.com/
- Gmail Notifier 0.6.3.11: http://www.nexgenmedia.net/extensions/
- Google Redesigned 0.3: http://www.globexdesigns.com/
- Greasemonkey 0.8.20090123.1: http://www.greasespot.net/
- Hide Unvisited 3: http://ed.agadak.net/
- IDM CC 5.7: http://www.internetdownloadmanager.com
- Image Assistant 0.2.5.1: https://addons.mozilla.org/en-US/fire...
- Image Download 1.0.3: http://whygudu.iblog.cn
- Java Quick Starter 1.0: http://www.google.com/search?q=Firefo...
- lget 0.4.1: http://www.loconet.ca/
- Locationbar2 1.0.3: http://en.design-noir.de/mozilla/loca...
- meebo 1.1: http://www.meebo.com/
- MegaFix 1.2: http://www.dasumo.com/megafix/
- Megaupload Integration 1.1: http://www.megaupload.com/
- Menu Editor 1.2.6: http://menueditor.mozdev.org/
- Menu Icons Plus 1.3: http://www.codedawn.com/firefox-exten...
- Menu Mod 2.2: http://ugray.be/menumod/
- Microsoft .NET Framework Assistant 1.0: http://www.windowsclient.net/
- Mozex 1.9.9: http://mozex.mozdev.org
- MR Tech Disable XPI Install Delay 2.4.1: http://www.mrtech.com/extensions/
- MR Tech Toolkit 6.0.3.3: http://www.mrtech.com/extensions/
- mrtech Toolbar 1.5.48.2: http://www.conduit.com
- Multiple Tab Handler 0.3.2009051501: http://piro.sakura.ne.jp/xul/_multipl...
- MultiSidebar 0.2.3: http://showcase.uworks.net/
- Net Usage Item 1.2.211: http://netusage.iau5.com/
- Next Image 0.10: http://www.mrchucho.net
- Obtrusive JavaScript Checker 0.81: http://www.robertnyman.com/obtrusive-...
- Omnibar 0.5.3: http://www.google.com/search?q=Firefo...
- OPIE 1.2.3: http://customsoftwareconsult.com/exte...
- Options Menu 1.6: http://james.istop.com/OptionsMenu
- OutWit Hub 0.6.0.271: http://www.outwit.com/
- OutWit Kernel 0.8.2.89: http://www.outwit.com/
- PageStyle2Tab 0.8: http://membres.lycos.fr/sethnakht/
- Panic 0.3.6: http://groups.google.com/group/firefo...
- Password Exporter 1.1: http://passwordexporter.fligtar.com
- Personal Menu 4.1.4: https://addons.mozilla.org/firefox/ad...
- Personas for Firefox 1.1: http://www.getpersonas.com/
- PimpFish toolbar 0.1.28: http://www.pimpfish.com/pffirefox.html
- POW 0.1.8: http://davidkellogg.com/wiki/Main_Page
- RadialContext-mz 1.1.1: http://www.google.com/search?q=Firefo...
- rapidfire 0.4: http://www.schmizz.net/rapidfire
- RDown - Rapidshare Downloader 0.5.9: http://www.google.com/search?q=Firefo...
- RSE Tools 0.26: http://rapidshare-search-engine.com
- Save Complete 1.0.1: http://www.google.com/search?q=Firefo...
- Save Images 0.5.1: http://www.google.com/search?q=Firefo...
- ScrapBook 1.3.3.9: http://amb.vis.ne.jp/mozilla/scrapbook/
- ScrapBook+ 1.6.10.21: https://addons.mozilla.org/firefox/ad...
- Searchbar Autosizer 1.4.1: http://searchbarautosizer.mozdev.org
- SearchPlaces 1.0.0: http://www.andyhalford.com/searchplac...
- Secure Login 0.9.3: https://blueimp.net/mozilla/
- Silvermel XT 0.1.0b3: http://www.google.com/search?q=Firefo...
- SortPlaces 1.5.0: http://www.andyhalford.com/sortplaces...
- Speed Dial 0.7.2.11: http://speeddial.uworks.net/
- Statusable 0.9.2: http://ptaff.ca/statusable/
- StatusbarEx 0.2.19: http://doudehou.googlepages.com/statu...
- Subtile 1.3: http://www.subtile.net/
- Tab Control 0.4.1: http://trac.arantius.com/wiki/Extensi...
- Tab Mix Plus 0.3.7.3: http://tmp.garyr.net
- Tab Scope 0.2.2.10: http://www.xuldev.org/tabscope/
- Tagmarks 1.0.1: http://felipe.wordpress.com/projects/...
- ThumbsDown 0.13: http://thumbsdown.mozdev.org/
- Title Save 0.1f: http://
- Tree Style Tab 0.7.2009031701: http://piro.sakura.ne.jp/xul/_treesty...
- Tweak Network 1.3: http://www.bitstorm.org/extensions/tw...
- wfx_Versions 0.19: http://geocities.com/kirnbie/wfx_Vers...
- Xoopit for Gmail 1.0.13860: http://www.xoopit.com
- Yahoo! Toolbar 1.6.2.20081023: http://us.toolbar.yahoo.com/

Disabled Extensions: [26]
- ChatZilla 0.9.84: http://chatzilla.hacksrus.com/
- Custom Toolbar Buttons 0.6.0.4: http://codefisher.org/toolbar_button/...
- DBus Notifications Extension 0.3.1: http://www.mumbles-project.org
- FacePAD: Facebook Photo Album Downloader 0.5.8: http://www.lazyrussian.com/my-project...
- Firefox Universal Uploader (fireuploader) 0.3.9: http://www.fireuploader.com
- FireFTP 1.0.4: http://fireftp.mozdev.org
- FireGestures 1.1.6.1: http://www.xuldev.org/firegestures/
- Glasser 1.0.16: http://www.sixxgate.com/
- Google Reader Notifier 0.60: http://www.markdbd.com/proyectos/goog...
- hellafox Firefox extension 2.0.8: http://z0g.org/hellafox/
- IE Tab 1.5.20090207: https://addons.mozilla.org/firefox/ad...
- iMacros for Firefox 6.2.1.3: http://www.iopus.com/imacros/firefox
- Java Console 6.0.12: http://www.google.com/search?q=Firefo...
- Java Console 6.0.13: http://www.google.com/search?q=Firefo...
- Minimeter 1.1.0.39: http://extensions.geckozone.org/Minim...
- myBabylon English Toolbar 1.5.45.0: http://www.conduit.com
- NoScript 1.9.1.2: http://noscript.net
- Open In Google Chrome 1.0: http://www.labnol.org/
- rocketon 1.0.3: http://www.rocketon.com/
- Skype extension for Firefox 2.2.0.102: http://www.skype.com
- TokBox 1.0.2: http://www.tokbox.com/
- Toolbar Buttons 0.6.0.4: http://codefisher.org/toolbar_button/
- UnMHT 5.2.0: http://www.google.com/search?q=Firefo...
- weblin Helper 2.1: http://www.weblin.com/
- Who is on gabbly 2.7: http://gabblywidgets.com
- Yoono 5.4.0: http://www.yoono.com

Total Extensions: 137

Installed Themes: [14]
- Aeon 3: http://edhumester.googlepages.com
- Aquatint Black Gloss 3.0.2: http://bodizzlethemes.blogspot.com
- Azerty III 4.0.1: http://azertyskin.free.fr/
- Default: http://www.mozilla.org/
- Denimfox 1.0.5: http://www.google.com/search?q=Firefo...
- KC Chiefs Theme 3.0: http://www.google.com/search?q=Firefo...
- Mattahan 3.0.5: http://fnuik.deviantart.com/
- MicroFox 1.8.48: http://www.geocities.com/alfredkayser...
- Nemesis 3.0: http://www.spuler.us
- Phoenity Modern 0.7.08.07.28: http://maguroban.s41.xrea.com/firefox...
- PimpZilla 4.08: http://www.pimpzilla.nl
- Qute 3.3.8: http://arvidaxelsson.se/
- Rain 3.0: http://www.spuler.us
- Silvermel 1.1.0_b3: http://www.silvermel.net

Installed Plugins: (13)
- Adobe Acrobat
- Exent® AOD Gecko Plugin
- Java(TM) Platform SE 6 U12
- Java(TM) Platform SE 6 U13
- Microsoft Office 2003
- Microsoft® DRM
- Microsoft® Windows Media Player Firefox Plugin
- Mozilla Default Plug-in
- Shockwave Flash
- Shockwave for Director
- Windows Media Player Plug-in Dynamic Link Library
- Windows Presentation Foundation
- Yahoo Application State Plugin