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how can i block a new tab opening?

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In the last few days, suddenly and without my deliberate request, a new tab opens every time I click on something to view on my home page. How can I permanently get rid of this horrible feature?

In the last few days, suddenly and without my deliberate request, a new tab opens every time I click on something to view on my home page. How can I permanently get rid of this horrible feature?

Additional System Details

Installed Plug-ins

  • Shockwave Flash 12.0 r0
  • 5.1.30214.0
  • Adobe PDF Plug-In For Firefox and Netscape 11.0.06
  • Next Generation Java Plug-in 10.45.2 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • iTunes Detector Plug-in
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • BrowserPlus -- Improve your browser! -- http://browserplus.yahoo.com/
  • The plug-in allows you to open and edit files using Microsoft Office applications
  • Office Authorization plug-in for NPAPI browsers

Application

  • Firefox 28.0
  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:28.0) Gecko/20100101 Firefox/28.0
  • Support URL: https://support.mozilla.org/1/firefox/28.0/WINNT/en-US/

Extensions

  • Are You Watching This?! 2.7 (mark@areyouwatchingthis.com)
  • Dashlane 2.4.0.56656 ({442718d9-475e-452a-b3e1-fb1ee16b8e9f})
  • Forecastfox 2.2.2 ({0538E3E3-7E9B-4d49-8831-A227C80A7AD3})
  • MySearchDial 9.5.5.1 ({ad9a41d2-9a49-4fa6-a79e-71a0785364c8})
  • Troubleshooter 1.1a (troubleshooter@mozilla.org)
  • Yahoo! Toolbar 3.2.3.20140326060057 ({635abd67-4fe9-1b23-4f01-e679fa7484c1})
  • CNN Addict (Glydo Extension) 0.9.22 ({E98073A4-A02F-11DE-B090-61CE55D89593}) (Inactive)
  • Glydo 0.9.22 ({363c6421-6d58-11dd-876c-001f3a388e21}) (Inactive)
  • Norton Safe Web Lite Toolbar 1.0.1 ({203FB6B2-2E1E-4474-863B-4C483ECCE78E}) (Inactive)
  • Norton Vulnerability Protection 12.2.0.5 - 1 ({BBDA0591-3099-440a-AA10-41764D9DB4DB}) (Inactive)

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription: NVIDIA GeForce 9100
  • adapterDescription2:
  • adapterDeviceID: 0x0847
  • adapterDeviceID2:
  • adapterDrivers: nvd3dumx,nvwgf2umx,nvwgf2umx nvd3dum,nvwgf2um,nvwgf2um
  • adapterDrivers2:
  • adapterRAM: 256
  • adapterRAM2:
  • adapterVendorID: 0x10de
  • adapterVendorID2:
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'tryNewerDriver', u'257.21']
  • directWriteEnabled: False
  • directWriteVersion: 6.2.9200.16571
  • driverDate: 10-30-2009
  • driverDate2:
  • driverVersion: 8.16.11.8780
  • driverVersion2:
  • info: {u'AzureCanvasBackend': u'skia', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'cairo', u'AzureSkiaAccelerated': 0}
  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'tryNewerDriver', u'257.21']
  • numTotalWindows: 5
  • webglRendererMessage: [u'tryNewerDriver', u'257.21']
  • windowLayerManagerRemote: False
  • windowLayerManagerType: Basic

Modified Preferences

  • accessibility.typeaheadfind.flashBar: 0
  • browser.cache.disk.capacity: 512000
  • browser.cache.disk.smart_size.enabled: False
  • 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.link.open_newwindow: 2
  • browser.places.importBookmarksHTML: False
  • browser.places.smartBookmarksVersion: 6
  • browser.search.useDBForOrder: True
  • browser.sessionstore.upgradeBackup.latestBuildID: 20140314220517
  • browser.startup.homepage: http://my.yahoo.com/
  • browser.startup.homepage_override.buildID: 20140314220517
  • browser.startup.homepage_override.mstone: 28.0
  • browser.tabs.warnOnOpen: False
  • dom.mozApps.used: True
  • dom.w3c_touch_events.expose: False
  • extensions.lastAppVersion: 28.0
  • font.size.variable.x-western: 18
  • gfx.blacklist.suggested-driver-version: 257.21
  • network.cookie.prefsMigrated: True
  • places.database.lastMaintenance: 1398443688
  • places.history.expiration.transient_current_max_pages: 104858
  • places.history.expiration.transient_optimal_database_size: 167772160
  • places.last_vacuum: 1295812669
  • plugin.disable_full_page_plugin_for_types: application/pdf
  • plugin.importedState: True
  • privacy.sanitize.migrateFx3Prefs: True
  • privacy.sanitize.timeSpan: 0
  • security.warn_viewing_mixed: False
  • storage.vacuum.last.index: 1
  • storage.vacuum.last.places.sqlite: 1398357356

Misc

  • User JS: Yes
  • Accessibility: No
guigs 1072 solutions 11697 answers

You can mess with the new tab settings in Firefox > Options > Tabs. Where exactly are you clicking on the new page?

Check out these options to stop new tabs from opening.

You can mess with the new tab settings in Firefox > Options > Tabs. Where exactly are you clicking on the new page? Check out these options to stop new tabs from opening.
cor-el
  • Top 10 Contributor
  • Moderator
17481 solutions 157977 answers

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe Mode start window.
Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance). *Do NOT click the Reset button on the Safe Mode start window. *https://support.mozilla.org/kb/Safe+Mode *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes