Thunderbird:Testing:Antivirus Related Performance Issues: Difference between revisions

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If you are uncertain that McAfee is the cause, you can test whether something started during Thunderbird or Windows startup is involved:
If you are uncertain that McAfee is the cause, you can test whether something started during Thunderbird or Windows startup is involved:
* Start MS-Windows in safe mode
* Start MS-Windows in safe mode
* With Windows in safe mode, start [https://support.mozilla.org/en-US/kb/safe-mode|Thunderbird in safe mode].
* With Windows in safe mode, start [https://support.mozilla.org/en-US/kb/troubleshoot-mode-thunderbird Thunderbird in Troubleshoot Mode].
If the problem is gone then you must dig to find which Windows installed program or Thunderbird addon is causing the problem.
If the problem is gone then you must dig to find which Windows installed program or Thunderbird addon is causing the problem.


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