This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Etsi tuesta

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Lue lisää

Ketju on arkistoitu. Esitä kysymys, jos tarvitset apua.

Updates resetting and deleting prefered settings and exceptions and widevine CDM failing

  • 1 vastaus
  • 1 henkilöllä on sama ongelma
  • 1 näyttö
  • Viimeisin kirjoittaja Shadow110

Charlie45
Charlie45
more options

Recent updates have been resetting my preferred settings to default/recommended settings. The last but one update caused a problem when trying to stream Netflix video. With the help of Netflix tech support and a lot of switching off and on Widevine CDM we were able to get it to work. (This was yesterday). The same happened with the latest update but could not be resolved by following the same process. At one point having disabled Widevine CDM a yellow banner appeared at the top of the page stating the error with a button to activate Widevine CDM. This did not work. The latest update also wiped clean my "Exceptions" for sites allowed to download cookies, my norm is to block cookies with exceptions.

Is this me? Or is there a problem/new policy with respect to Firefox?

Any assistance would be much appreciated

Recent updates have been resetting my preferred settings to default/recommended settings. The last but one update caused a problem when trying to stream Netflix video. With the help of Netflix tech support and a lot of switching off and on Widevine CDM we were able to get it to work. (This was yesterday). The same happened with the latest update but could not be resolved by following the same process. At one point having disabled Widevine CDM a yellow banner appeared at the top of the page stating the error with a button to activate Widevine CDM. This did not work. The latest update also wiped clean my "Exceptions" for sites allowed to download cookies, my norm is to block cookies with exceptions. Is this me? Or is there a problem/new policy with respect to Firefox? Any assistance would be much appreciated

Kaikki vastaukset (1)

Shadow110
Shadow110
more options

HI, every system is different. Some are alike some are not and few are the same issues.

Please try this ; uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files , C:\Program Files(x86) & C:\ProgramData Then restart system. Then run Windows Disk Cleanup. (Note: This should be Pinned and run Weekly, If never done below expect 10's of gig's) Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved. But you should make a back up before you do :

Reinstall with Current Release Firefox 61.0.0 with a Full Version Installer

Please let us know if this solved your issue or if need further assistance.