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Firefox is already running but is not responding

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Twice, I have tried the following sequence:

1. Manually close browser 2. Closed Firefox in Task Manager 3. Refresh Firefox 4. Uninstall parent.lock and .parentlock files 5. Reinstall Firefox

Also observed several iterations of Firefox running simultaneously and using significant CPU and Memory resources.

This "Firefox is already running but is not responding" has gotten out-of-hand and I have switched back to MS Edge until Mozilla fixes their problem.

Twice, I have tried the following sequence: 1. Manually close browser 2. Closed Firefox in Task Manager 3. Refresh Firefox 4. Uninstall parent.lock and .parentlock files 5. Reinstall Firefox Also observed several iterations of Firefox running simultaneously and using significant CPU and Memory resources. This "Firefox is already running but is not responding" has gotten out-of-hand and I have switched back to MS Edge until Mozilla fixes their problem.

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