Author Topic: How to turn on Windows Defender after uninstalling Avast Antivirus Free?  (Read 11530 times)

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Offline mapit

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I have uninstalled Avast Antivirus Free. How can I turn on Windows Defender? It is not running now. Windows 10 Pro (1809).

Offline Pondus

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Read and follow instructions, when done reboot computer

Using the Uninstall Utility for Avast Antivirus
https://support.avast.com/en-eu/article/Uninstall-Antivirus-Utility




Online DavidR

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I have uninstalled Avast Antivirus Free. How can I turn on Windows Defender? It is not running now. Windows 10 Pro (1809).

First have you rebooted after uninstalling Avast ?

Windows 10 should have restarted it automatically, in the same way that it disabled it when you install a third party antivirus (in this case Avast).

Have you gone to the Windows 10,  'Windows Defender Security Center' that should surely indicate what antivirus you have installed or not ?
Windows 10 Home 64bit/ Acer Aspire F15/ Intel Core i5 7200U 2.5GHz, 8GB DDR4 memory, 256GB SSD, 1TB HDD/ avast! free 24.2.6105 (build 24.2.8918.824) UI 1.0.799/ Firefox, uBlock Origin, uMatrix/ MailWasher Pro/ Avast! Mobile Security

Offline mapit

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Read and follow instructions, when done reboot computer

Using the Uninstall Utility for Avast Antivirus
https://support.avast.com/en-eu/article/Uninstall-Antivirus-Utility

I used Uninstall Utility for Avasta Antivirus. It removed Avasta Antivirus but for some reason the system did not return to the original state. Windows defender is not in real time scanning. Windows Defender urges to turn real time scanning on but it does not manage.  I can scan the system only by pushing "Scan now". After that scanning stops and I can read the scanning results.

Offline Pondus

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Quote
I used Uninstall Utility for Avasta Antivirus. It removed Avasta Antivirus
The name is avast .... not avasta


Does this help?  >>  https://www.thewindowsclub.com/unable-to-turn-on-windows-defender