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Why does "It looks like you haven't started Firefox in a while...." message appear?


Have been trying to remove (for the second time) the "Antivirus Security Pro" virus from this laptop (which insidiously has invaded Firefox to the extent of display several pop-ups [incl. Recommended sites list; security rating of the active webpage tab displayed; video advertisements; scroll down and enlarge the screen shot in following post: https://support.mozilla.org/en-US/questions/959400]. As part of this process was instructed to shut down & power-up the laptop in Windows safe mode. Upon completing this step I opened Firefox and the following message appears at the bottom of the browser (no matter what tab is displayed): "It looks like you haven't started Firefox in a while. Do you want to clean it up for a fresh, like-new experience? And by the way, welcome back!" There is also a button "Reset Firefox..." displayed to the right of this message and an "X" which is assumed to close out this message. Why does this message appear? Had been on Firefox (while in normal mode) just prior to encountering the re-emergence of the virus attack, so am questioning the reason for this message displaying and am suspicious of it being a part of the viral threat. Am hesitant to either reset and/or uninstall/reinstall Firefox prior to running another scan with Malwarebytes, Adaware and Spybot S&D . In fact Firefox was just upgraded to v.25 two days ago (when the laptop was believed to be free from this virus as well as from the ViewMgr.exe and the AVG/vprot.exe viruses. These initial virus removals were performed in the Windows normal mode, so while awaiting a response to this question, will do the scans and perform any additional manual file/registry search and destroy in the Windows safe mode. Will also try a test run of Firefox in it's own safe mode when the removal processes are completed. Would appreciate a rapid response on whether or not to do a Firefox reset and/or removal if this second attempt at removing this virus is unsuccessful.

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Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.9 r900
  • Google Update
  • Next Generation Java Plug-in 10.45.2 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Adobe PDF Plug-In For Firefox and Netscape 11.0.04
  • Citrix Online App Detector Plugin
  • 5.1.20513.0
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • Yahoo Application State Plugin version
  • iTunes Detector Plug-in
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • DRM Netscape Network Object
  • Npdsplay dll
  • DRM Store Netscape Plugin


  • Firefox 25.0
  • User Agent: Mozilla/5.0 (Windows NT 5.1; rv:25.0) Gecko/20100101 Firefox/25.0
  • Support URL: https://support.mozilla.org/1/firefox/25.0/WINNT/en-US/


  • Troubleshooter 1.1a (troubleshooter@mozilla.org)
  • WebConnect 1.0.0 (firefox@webconnect.co)
  • Microsoft .NET Framework Assistant 0.0.0 ({20a82645-c095-46ed-80e3-08825760534b}) (Inactive)


  • incrementalGCEnabled: True


  • adapterDescription:
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  • adapterDrivers2:
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  • adapterRAM2:
  • adapterVendorID: 0x0000
  • adapterVendorID2:
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'blockedGfxCard']
  • directWriteEnabled: False
  • directWriteVersion:
  • driverDate:
  • driverDate2:
  • driverVersion:
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  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'blockedGfxCard']
  • numTotalWindows: 1
  • webglRendererMessage: [u'blockedGfxCard']
  • windowLayerManagerRemote: False
  • windowLayerManagerType: Basic

Modified Preferences

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  • browser.cache.disk.capacity: 358400
  • browser.cache.disk.smart_size.first_run: False
  • browser.cache.disk.smart_size.use_old_max: False
  • browser.cache.disk.smart_size_cached_value: 358400
  • browser.display.background_color: #C0C0C0
  • browser.display.use_system_colors: True
  • browser.places.smartBookmarksVersion: 4
  • browser.sessionstore.upgradeBackup.latestBuildID: 20131025151332
  • browser.startup.homepage: https://my.screenname.aol.com/_cqr/login/login.psp?sitedomain=sns.webmail.aol.com&lang=en&seamless=novl&offerId=newmail-en-us-v2&authLev=0&siteState=ver%3A4%7Crt%3ASTANDARD%7Cat%3ASNS%7Cld%3Amail.aol.com%7Cuv%3AAOL%7Clc%3Aen-us%7Cmt%3AANGELIA%7Csnt%3AScreenName%7Csid%3A609b0c7b-10a7-42e9-bb3d-2980c61ea639&locale=us
  • browser.startup.homepage_override.buildID: 20131025151332
  • browser.startup.homepage_override.mstone: 25.0
  • dom.mozApps.used: True
  • dom.w3c_touch_events.expose: False
  • extensions.lastAppVersion: 25.0
  • keyword.URL:
  • network.cookie.prefsMigrated: True
  • places.database.lastMaintenance: 1383699852
  • places.history.expiration.transient_current_max_pages: 32675
  • plugin.blocklisted.npviewpoint: True
  • plugin.disable_full_page_plugin_for_types: application/pdf
  • plugin.importedState: True
  • plugin.state.java: 2
  • plugin.state.npsitesafety: 0
  • privacy.donottrackheader.enabled: True
  • privacy.sanitize.migrateFx3Prefs: True
  • security.mixed_content.block_active_content: False
  • security.warn_viewing_mixed: False
  • storage.vacuum.last.index: 0
  • storage.vacuum.last.places.sqlite: 1383699698


  • User JS: No
  • Accessibility: No
  • Top 25 Contributor
  • Moderator
251 solutions 3018 answers

The reset will not erase the virus but the reset can be done up to you.

You can try these free programs to scan for malware, which work with your existing antivirus software:

Microsoft Security Essentials is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.

Further information can be found in the Troubleshoot Firefox issues caused by malware article.

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Question owner

Dear feer56:

Your reply is appreciated but upon running two MalwareBytes full scans (one in Windows safe mode, the other in its normal mode) no malware was found. Have restarted Firefox in its safe mode and am wondering whether or not if another Firefox page is opened (using ctrl n) will that page be opened in its safe mode, too? Thanks again, in advance, for the rapid response and will be awaiting a it before conducting any further testing and troubleshooting.

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