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Why does Firefox always revert to Firefox file reader?

Posted

I know how to change the reader for PDF files to open with Adobe, but Firefox changes it back to the Firefox reader and I have to change it back to Adobe all the time. Why can't Firefox just KEEP my preference for Adobe????

I know how to change the reader for PDF files to open with Adobe, but Firefox changes it back to the Firefox reader and I have to change it back to Adobe all the time. Why can't Firefox just KEEP my preference for Adobe????

Additional System Details

Installed Plug-ins

  • Shockwave Flash 26.0 r0

Application

  • Firefox 53.0.3
  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0
  • Support URL: https://support.mozilla.org/1/firefox/53.0.3/WINNT/en-US/

Extensions

  • Adblock Plus 2.9.1 ({d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d})
  • Application Update Service Helper 2.0 (aushelper@mozilla.org)
  • Classic Theme Restorer 1.6.6 (ClassicThemeRestorer@ArisT2Noia4dev)
  • Dashlane 4.7.5 (jetpack-extension@dashlane.com)
  • Follow-on Search Telemetry 0.8.0 (followonsearch@mozilla.com)
  • Messenger for Google™ Hangouts 0.1.9 (jid1-uqbSKwXpf2K6yl@jetpack)
  • Multi-process staged rollout 1.14 (e10srollout@mozilla.org)
  • Pocket 1.0.5 (firefox@getpocket.com)
  • ReminderFox 2.1.5.5.3 ({ada4b710-8346-4b82-8199-5de2b400a6ae})
  • Shield Recipe Client 1.0.0 (shield-recipe-client@mozilla.org)
  • Web Compat 1.0 (webcompat@mozilla.org)
  • Yahoo Mail Hide Ad Panel 3.0 ({c37bac34-849a-4d28-be41-549b2c76c64e})

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription: AMD Radeon HD 8400 / R3 Series
  • adapterDescription2:
  • adapterDeviceID: 0x9830
  • adapterDeviceID2:
  • adapterDrivers: aticfx64 aticfx64 aticfx64 aticfx32 aticfx32 aticfx32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64
  • adapterDrivers2:
  • adapterRAM: 512
  • adapterRAM2:
  • adapterSubsysID: 08001025
  • adapterSubsysID2:
  • adapterVendorID: 0x1002
  • adapterVendorID2:
  • crashGuards: []
  • currentAudioBackend: wasapi
  • direct2DEnabled: True
  • directWriteEnabled: True
  • directWriteVersion: 6.2.9200.22164
  • driverDate: 2-10-2017
  • driverDate2:
  • driverVersion: 21.19.519.2
  • 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'}, {u'status': u'unavailable', u'description': u'GPU Process', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'unavailable', u'message': u'Multi-process mode is not enabled', u'type': u'runtime'}], u'name': u'GPU_PROCESS'}]}
  • info: {u'AzureCanvasAccelerated': 0, u'AzureCanvasBackend': u'direct2d 1.1', u'AzureFallbackCanvasBackend': u'skia', u'AzureContentBackend': u'direct2d 1.1'}
  • isGPU2Active: False
  • numAcceleratedWindows: 1
  • numTotalWindows: 1
  • webgl2Renderer: Google Inc. -- ANGLE (AMD Radeon HD 8400 / R3 Series Direct3D11 vs_5_0 ps_5_0)
  • webglRenderer: Google Inc. -- ANGLE (AMD Radeon HD 8400 / R3 Series Direct3D11 vs_5_0 ps_5_0)
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Direct3D 11

Modified Preferences

Misc

  • User JS: No
  • Accessibility: No
bygabyga 15 solutions 171 answers

Chosen Solution

[https://support.mozilla.org/en-US/kb/troubleshoot-issues-with-plugins-fix-problems#w_re-initializing-the-plugins-database Re-initializing the plugins database]
bygabyga 15 solutions 171 answers

Not completely sure but firefox might not come with a built in pdf viewer anymore. You might also want to update to 54

Not completely sure but firefox might not come with a built in pdf viewer anymore. You might also want to update to 54

Question owner

Firefox DOES come with a builtin Firefox pdf viewer. I don't like it or want to use it. I want to use Adobe. You are right, I didn't realize that I hadn't updated to version 54 and I did update per your suggestion. This time when I launched Firefox it did retain my preferred pdf viewer as Adobe. Thanks for your suggestions.

Firefox DOES come with a builtin Firefox pdf viewer. I don't like it or want to use it. I want to use Adobe. You are right, I didn't realize that I hadn't updated to version 54 and I did update per your suggestion. This time when I launched Firefox it did retain my preferred pdf viewer as Adobe. Thanks for your suggestions.