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Upgraded to version 8.01. Does not start. Get message: Couldn't Load XRE functions.

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  • 8 have this problem
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  • Last reply by Johntripas

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Upgraded my laptop to version 8.01. Firefox will not start. Get message: Couldn't Load XRE functions. I am running Windows 7 Professional on my laptop. Had no problem upgrading my desktop.

Upgraded my laptop to version 8.01. Firefox will not start. Get message: Couldn't Load XRE functions. I am running Windows 7 Professional on my laptop. Had no problem upgrading my desktop.

All Replies (3)

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Perform a clean reinstall of Firefox.

See:

http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_...

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If you use ZoneAlarm Extreme Security then try to disable Virtualization.

See also:

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Tried the clean install to no avail. Also, disabled virtualization with negative results. Also tried to reinstall Version 3.6 with same negative results. Finally after uninstalling all and cleaning registry, was able to load version 5.0 and it works.