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FF 19 keeps getting Java Syntax Error popup every time i open the browser with no other explanation - help?

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FF 19 keeps getting Java Syntax Error popup every time i open the browser with no other explanation - help?

no idea why - need directions on how to either fix gthis or get older version of Ff because I can't stand this.

2 REPLIES
Site Moderator

Re: FF 19 keeps getting Java Syntax Error popup every time i open the browser with no other explanation - help?

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!

Site Moderator

Re: FF 19 keeps getting Java Syntax Error popup every time i open the browser with no other explanation - help?

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe mode start window or otherwise make changes.