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Why would FF 3.6.13 keep asking me if I want to close all browsers or tabs when there is only the one running?

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It throws up the same box if your trying to close a browser with multiple tabs open, but in this case there is just the 1 browser open, no tabs.

It throws up the same box if your trying to close a browser with multiple tabs open, but in this case there is just the 1 browser open, no tabs.

Chosen solution

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...

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Chosen Solution

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...

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It seems it was a freeze.com net assistant extension, what ever that is? Afetr disabling it, it seems to be working fine in normal mode.