Hello,

The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Note: This will cause you to lose any Extensions, Open websites, and some Preferences.

To Reset Firefox do the following:

1. Go to Firefox > Help > Troubleshooting Information.
2. Click the "Reset Firefox" button.
3. Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
4. Firefox will open with all factory defaults applied.

Further information can be found in the Refresh Firefox - reset add-ons and settings article.

Did this fix your problems? Please report back to us!

Thank you.

Since this problem affects multiple browsers, have you considered:

• Internet connection, e.g., ISP, proxy, or VPN service glitch

• External recording/downloading software that may interact with Flash

You can check for problems with current Flash plugin versions and try these:

• disable a possible RealPlayer Browser Record Plugin extension for Firefox and update the RealPlayer if installed
• disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later)
• disable hardware acceleration in the Flash plugin

• http://kb.mozillazine.org/Flash#Troubleshooting
• http://helpx.adobe.com/flash-player/kb/flash-player-113-crash-mozilla.html

I've tried that already, doesn't seem to work.

Boot the computer in Windows Safe Mode with network support (press F8 on the boot screen) as a test to see if that helps.

Well this time when I watched a couple of videos I purposely skipped them to a few times and the long videos had the message "An error occured, please try again later". But the browser still works fine if I go to different web pages including Youtube and the videos.

I'm betting you use AVG for your antivirus program. You have to disable Video Acceleration in the Advance Settings --> Web Protection --> Online Shield. Once thats done it should work.