Firefox process starts but window does not open.

All the all of a sudden when I launch Firefox 11 window does not appear, but the process will start in the Task Manager. Yesterday everything worked fine, but when I came home in the evening Microsoft Security Essentials was not from, it is protection. I got it working by installing it again. Just Firefox does not open the window for me.

-J' uninstalled Firefox and restarted the system
-Ran CCleaner and Spybot S & D
-Manually reset the registry values with regedit.
-J' deleted all AppData and plugin files.

To verify that your system is clean, perform the following steps (no official Mozilla tips, just good practices of personal experience)

Download and install MalwareBytes Anti-Malware, run a full scan. http://www.Malwarebytes.org/

Download and launch TDSSKiller http://support.kaspersky.com/faq/?qid=208283363

Check all Windows updates.

After doing this, restart your Pc and this time, when you try to start Firefox, hold down the SHIFT key while it starts. This forces Firefox in safe mode. Let's see if that helps.

Tags: Firefox

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