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Unable to enable extensions

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Hello, Every time I try to install an extension on Firefox I can't keep the extensions that I want enabled after I open Firefox. For example, I have tried installing the extension Firefox Test Pilot after installing it asks me to restart Firefox, I click restart Firefox of course. However this is where the problem comes in, after it restarts it then opens up an "Install Add-on" page for every extension I have installed and asks me this: Another program on your computer would like to modify Firefox with the following add-on: Test Pilot 0.9.0-dev-2ac545a By Mozilla then where the file is located on my computer then Install add-ons only from authors whom your trust. Then a check box and the follow Allow this installation. I check the box press continue and sometimes they ask to restart Firefox and sometimes the window just closes. Regardless of what it ask me after I restart Firefox close it and open it again it replays the same loop and opens a "Install Add-on" page for every extension I have installed. This in turn disables all of my extensions every time I close and reopen Firefox. I have tried refreshing or resetting Firefox and have even uninstalled and reinstalled Firefox multiple time with out any success. Please help! Thank you.

Hello, Every time I try to install an extension on Firefox I can't keep the extensions that I want enabled after I open Firefox. For example, I have tried installing the extension Firefox Test Pilot after installing it asks me to restart Firefox, I click restart Firefox of course. However this is where the problem comes in, after it restarts it then opens up an "Install Add-on" page for every extension I have installed and asks me this: Another program on your computer would like to modify Firefox with the following add-on: Test Pilot 0.9.0-dev-2ac545a By Mozilla then where the file is located on my computer then Install add-ons only from authors whom your trust. Then a check box and the follow Allow this installation. I check the box press continue and sometimes they ask to restart Firefox and sometimes the window just closes. Regardless of what it ask me after I restart Firefox close it and open it again it replays the same loop and opens a "Install Add-on" page for every extension I have installed. This in turn disables all of my extensions every time I close and reopen Firefox. I have tried refreshing or resetting Firefox and have even uninstalled and reinstalled Firefox multiple time with out any success. Please help! Thank you.

Chosen solution

It is possible that there is a problem with the file(s) that store the extensions registry.

Type about:support in the address bar and press enter.

Under the page logo on the left side, you will see Application Basics. Under this find Profile Folder. To its right press the button Show Folder. This will open your file browser to the current Firefox profile. Now Close Firefox.

Delete all extensions files and compatibility.ini in the Firefox profile folder to reset the extensions registry.

New files will be created when required.

After, restart Firefox.

See "Corrupt extension files":


You will have to approve the updating one last time.

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Additional System Details

Installed Plug-ins

  • Adobe PDF Plug-In For Firefox and Netscape 15.20.20039
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Next Generation Java Plug-in 11.111.2 for Mozilla browsers
  • The plugin allows you to have a better experience with Microsoft Lync
  • The plugin allows you to have a better experience with Microsoft SharePoint
  • Picasa plugin
  • Shockwave Flash 23.0 r0
  • Adobe Shockwave for Director Netscape plug-in, version 12.1.8.158
  • 5.1.40416.0
  • VLC media player Web Plugin

Application

  • Firefox 50.0
  • User Agent: Mozilla/5.0 (Windows NT 6.1; rv:50.0) Gecko/20100101 Firefox/50.0
  • Support URL: https://support.mozilla.org/1/firefox/50.0/WINNT/en-US/

Extensions

  • Application Update Service Helper 1.0 (aushelper@mozilla.org)
  • Multi-process staged rollout 1.5 (e10srollout@mozilla.org)
  • Pocket 1.0.5 (firefox@getpocket.com)
  • Web Compat 1.0 (webcompat@mozilla.org)
  • Activity Stream 1.1.6 (@activity-streams) (Inactive)
  • IDS_SS_NAME IDS_SS_VERSION ({D19CA586-DD6C-4a0a-96F8-14644F340D60}) (Inactive)
  • Min Vid 0.3.3 (@min-vid) (Inactive)
  • No More 404s 1.6.0 (wayback_machine@mozilla.org) (Inactive)
  • Page Shot 2.6.201611151453 (jid1-NeEaf3sAHdKHPA@jetpack) (Inactive)
  • Tab Center 1.26.0 (tabcentertest1@mozilla.com) (Inactive)
  • Test Pilot 0.9.0-dev-2ac545a (@testpilot-addon) (Inactive)
  • Tracking Protection Experiment 1.1 (blok@mozilla.org) (Inactive)
  • uBlock Origin 1.9.16 (uBlock0@raymondhill.net) (Inactive)
  • Universal Search 1.0.12 (universal-search@mozilla.com) (Inactive)

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription: AMD Radeon HD 7310
  • adapterDescription2:
  • adapterDeviceID: 0x9809
  • adapterDeviceID2:
  • adapterDrivers: aticfx32 aticfx32 aticfx32 atiumdag atidxx32 atiumdva
  • adapterDrivers2:
  • adapterRAM: 384
  • adapterRAM2:
  • adapterSubsysID: 188b103c
  • adapterSubsysID2:
  • adapterVendorID: 0x1002
  • adapterVendorID2:
  • crashGuards: []
  • currentAudioBackend: wasapi
  • direct2DEnabled: True
  • directWriteEnabled: True
  • directWriteVersion: 6.2.9200.21976
  • driverDate: 2-14-2012
  • driverDate2:
  • driverVersion: 8.950.0.0
  • driverVersion2:
  • featureLog: {u'fallbacks': [], u'features': [{u'status': u'available', u'description': u'Compositing', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'HW_COMPOSITING'}, {u'status': u'available', u'description': u'Direct3D11 Compositing', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'D3D11_COMPOSITING'}, {u'status': u'disabled', u'description': u'Direct3D9 Compositing', u'log': [{u'status': u'disabled', u'message': u'Disabled by default', u'type': u'default'}], u'name': u'D3D9_COMPOSITING'}, {u'status': u'available', u'description': u'Direct2D', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'DIRECT2D'}, {u'status': u'available', u'description': u'Direct3D11 hardware ANGLE', u'log': [{u'status': u'available', u'type': u'default'}], u'name': u'D3D11_HW_ANGLE'}]}
  • info: {u'AzureCanvasAccelerated': 0, u'AzureCanvasBackend': u'direct2d 1.1', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'direct2d 1.1', u'ApzWheelInput': 1}
  • isGPU2Active: False
  • numAcceleratedWindows: 1
  • numTotalWindows: 1
  • supportsHardwareH264: No; Hardware video decoding disabled or blacklisted
  • webgl2Renderer: (no info)
  • webglRenderer: Google Inc. -- ANGLE (AMD Radeon HD 7310 Direct3D11 vs_5_0 ps_5_0)
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Direct3D 11

Modified Preferences

Misc

  • User JS: No
  • Accessibility: No
FredMcD
  • Top 10 Contributor
4305 solutions 60420 answers

Chosen Solution

It is possible that there is a problem with the file(s) that store the extensions registry.

Type about:support in the address bar and press enter.

Under the page logo on the left side, you will see Application Basics. Under this find Profile Folder. To its right press the button Show Folder. This will open your file browser to the current Firefox profile. Now Close Firefox.

Delete all extensions files and compatibility.ini in the Firefox profile folder to reset the extensions registry.

New files will be created when required.

After, restart Firefox.

See "Corrupt extension files":


You will have to approve the updating one last time.

It is possible that there is a problem with the file(s) that store the extensions registry. Type '''about:support''' in the address bar and press enter. Under the page logo on the left side, you will see '''Application Basics.''' Under this find '''Profile Folder.''' To its right press the button '''Show Folder.''' This will open your file browser to the current Firefox profile. Now '''Close Firefox.''' Delete all '''extensions''' files and '''compatibility.ini''' in the Firefox profile folder to reset the extensions registry. *https://support.mozilla.org/kb/Profiles New files will be created when required. After, restart Firefox. See "Corrupt extension files": *http://kb.mozillazine.org/Unable_to_install_themes_or_extensions *https://support.mozilla.org/kb/Unable+to+install+add-ons ----------- You will have to approve the updating one last time.