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Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

When trying to open Firefox I get this message--A copy of Firefox is already open. Only one copy of Firefox can be open at a time.

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Newly installed on new computer.

Newly installed on new computer.

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Firefox sometimes after quitting will remain in memory, however seem to be closed.

See:

Firefox hangs or is not responding - How to fix

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Create a new profile as a test to check if your current profile is causing the problems.

See "Basic Troubleshooting: Make a new profile":

If that new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.

See:

See also: