At the start of what Firefox says "could not load XPCOM.

My desktop is running Windows 8, which recently crashed. Since then, whenever I start, 17.1 Firefox (which is in the folder startuo) does not load, but shows an error window saying (unable to load XPCOM). Rejecting the window then allows me to start Firefox myself. I uninstalled Firefox (but not personal stuff), downloaded a new copy of Firefox 17.1 and re-installed... same thing happens.

Just to clarify... This only happens only once, after the initial start of the desktop computer. I close the error window and everything is fine after that.

Bright ideas please?

What makes XPCOM reference? A missing dll file? can I find this file elsewhere and move it to the correct location?

Many ways.

Thanks again for all the responses.
I now put Firefox in my 8 and restarted Windows startup folder.
All right, Firefox (or Thunderbird) starts as it is supposed to and there is no sign of an XPCOM related error message!
So... I have to assume that the problem was (somehow) caused by crash my Windows 8 and that (somehow), remove the Win 8 of Firefox startup folder, restart, then put Firefox in the startup folder, and then restart, has put things back where they used to be. A little strange, but I hope that the above may be useful to someone else with a similar problem in the future.
Well cordially to all.

Tags: Firefox

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