You have a large issue with your Video Card Drivers : adapterDescription: Intel(R) HD Graphics Family adapterDescription2: NVIDIA GeForce GT 525M driverDate: 4-10-2011 driverDate2: 4-21-2011 There is a Message put here I would guess be system or Drivers regarding the drivers : direct2DEnabledMessage: [u'tryNewerDriver', u'Nvidia driver > 8.17.12.6901'] As the Driver you are running is : driverVersion2: 8.17.12.6830 u'unavailable' = Bad disabled = Bad u'blacklisted = Bad (all functions) u'Direct3D11 Compositing', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blacklisted', u'message': u'#BLOCKLIST_FEATURE_FAILURE_BUG_1137716', u'type': u'env'}], u'name': u'D3D11_COMPOSITING'}, {u'status': u'unavailable', u'description': u'Direct2D', u'log': [{u'status': u'unavailable', u'message': u'Direct2D requires Direct3D 11 compositing', u'type': u'default'}], u'name': u'DIRECT2D'}, {u'status': u'disabled', u'description': u'Direct3D11 hardware ANGLE', u'log': [{u'status': u'unavailable', u'message': u'D3D11 compositing is disabled', u'type': u'default'}, {u'status': u'disabled', u'message': u'D3D11 compositing is disabled', u'type': u'env'}], u'name': u'D3D11_HW_ANGLE'}, {u'status': u'blacklisted', u'description': u'GPU Process', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blacklisted', u'message': u'#BLOCKLIST_FEATURE_FAILURE_BUG_1137716', u'type': u'env'}], Ok, well here is Nviadia : https://www.geforce.com/drivers and your Intel to discover : https://www.intel.com/content/www/us/en/support/detect.html The condition of your Drivers and the age of the system maybe the issue. Your Extension : Forget Me Not - Forget cookies & other data could also be a issue if it is not allowing/keeping the cookies needed. What is your Security Software please as there are several that can cause issues. Please open URL to see complete list : *https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message#w_avast-and-avg-security-products <blockquote>I have something blocking my computers ability to look at movies etc</blockquote> Are you getting any Error Messages ??? After updating or reinstalling better yet your video drivers and it does not work properly still please try : SAFE MODE *https://support.mozilla.org/kb/Safe+Mode *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes In Firefox Safe mode these changes are effective: *all extensions are disabled (about:addons) *default theme is used (no persona) *userChrome.css and userContent.css are ignored (chrome folder) *default toolbar layout is used (file: localstore-safe.rdf) *Javascript JIT compilers are disabled (prefs: javascript.options.*jit) *hardware acceleration is disabled (Options > Performance > Uncheck to view) *plugins are not affected *preferences are not affected TEST'''''''''is issue still there ?