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4,659 questions
When a third-party security product that is not offered or developed by Microsoft such as avg cleaner pro has been installed on your device, Microsoft Defender Antivirus automatically goes into disabled mode.
if you trust as avg cleaner pro and prefer to using it, that’s ok.
If you just want to speed boost, you could disable some startup items in task manager or clean boot computer, this way can also reduce boot time, don’t need to install external antivirus.
How to Disable Startup Apps on Windows 10 (groovypost.com)
https://www.groovypost.com/howto/disable-startup-programs-windows-10/
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