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Firefox error message: A required privilege is not held by the client.

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Eddie
Eddie
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I tried to open Firefox yesterday and got the following error message:

Mozilla-Firefox 64bit. A required privilege is not held by the client.

I uninstalled Firefox thinking that reinstalling would fix the problem but when I attempted to reinstall Firefox I got the same error message.

This is on a Windows 10 64bit machine.

duplicated. See https://support.mozilla.org/questions/1278495

I tried to open Firefox yesterday and got the following error message: Mozilla-Firefox 64bit. A required privilege is not held by the client. I uninstalled Firefox thinking that reinstalling would fix the problem but when I attempted to reinstall Firefox I got the same error message. This is on a Windows 10 64bit machine. ''duplicated. See https://support.mozilla.org/questions/1278495''

Modified by Andrew