Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process. Open the command prompt by typing Windows + R and then cmd. When you click Startup Repair, Windows will restart and scan your PC for any system files it can fix. Go to Troubleshoot -> Advanced options -> Startup Repair. This will open Boot options where you can troubleshoot many Windows problems. This can be difficult to pinpoint, but one way is to use the System File Checker to look for missing or corrupted information. This software isnt without its frustrations, however, and many users in online forums complain of program errors that prevent saving or opening of files. Do not worry, just tap the 'Browse' option, locate the. Click Next on the Windows Setup screen, then Repair your computer.
It is possible that your security software (firewall, anti-virus) blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program. One reason programs do not open is because their files are corrupted.
