Can't use Windows Defender at all

  • Thread starter Thread starter xMrPhede
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xMrPhede

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Hi, I'm having this issue since a while now.

I tried almost anything that i found online. That's my problem: when i open the security center and i try to activate any of the security center functions, they doesn't start and the slider of each lne remains on "disabled", also after the system asks me for administrator's privileges.

I already tried those solutions:

- starting the security center and windows defender from services

- removing every third party AV software

- scanning with many differents AV softwares like Malwarebytes and ADW-cleaner

- scanning with many registry repairing softwares like CCleaner and others

- doing sfc /scannow and restoreHealth commands

- intalling every Windows update

- modifying some registry keys with regedit

Useful data to solve:

I'm running on Windows 10 64-bit v1909.

I was using Avast Free as antivirus but i removed it with revo unistaller.

I found many keys in the windows defender registry folder that were stopping and disabling all the security services, i deleted them.


I would like to not make a completely new installation of the system, but if it is possible to mantain my files and apps.

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