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How set up a firefox startup lock?

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I want set up a lock for my browser that will ask for a password every time I run Firefox. Can I do that? Master Password asks only during sync, which is not too much helpful.

I want set up a lock for my browser that will ask for a password every time I run Firefox. Can I do that? Master Password asks only during sync, which is not too much helpful.

Ilungisiwe ngu Q_Programmer

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The Master Password is only to protect the Password Manager from accessing before the Master is provided.

The only way to prevent accessing your profile is to place a good password on your computer user profile.

If others use the computer, set up a 'Guest' account and/or an account for each user.

Only someone with Administrator access can open other user accounts.