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ff 3.6.12 and 4.0 beta6 both hang when I type Tools, Option

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when I select tools, options, nothing happens, no window opens. After a short time (Not Responding) appears in the top menu bar

I also get an alert when I try to restart FF The operation can not be completed because of an internal failure. A secure network communication has not been cleaned up correctly.

when I select tools, options, nothing happens, no window opens. After a short time (Not Responding) appears in the top menu bar I also get an alert when I try to restart FF The operation can not be completed because of an internal failure. A secure network communication has not been cleaned up correctly.

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Sorry, I meant when I select Tools, Options (not type)

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Do you have that problem when running in the Firefox SafeMode?
http://support.mozilla.com/en-US/kb/Safe+Mode
Don't select anything right now, just use "Continue in SafeMode."

If not, see this:
http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+theme...