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Firefox will not load

FaceBook
FaceBook
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Firefox will not load, get statement

can't load XPCOM.

Firefox will not load, get statement can't load XPCOM.

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jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 25 Contributor
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Does the error message list some different version numbers?

Generally speaking, the error indicates a missing or incompatible program file, which could indicate that a recent update didn't properly replace all of the old files. You could try the procedure in the XULRunner section of this article:

https://support.mozilla.org/en-US/kb/firefox-wont-start-find-solutions#w_xulrunner-error