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Fix slowness, crashing, error messages and other problems
Related Topics
In English
How to fix common problems with Firefox OS Developer Preview
Related Topics
Fix problems with websites (Facebook, YouTube, webmail etc.)
Firefox is slow or stops working
Error messages: what they mean and how to fix
Firefox crashes
Hot topics
Unblock Firefox from connecting to the Internet
Firefox won't save settings or remember information
Procedures to diagnose and fix problems
Problems with add-ons, plugins or unwanted software
Videos, sound, pictures and animations don't work