Years later, it was able to detect PUPs and prevent them from running on your machine.
Can Windows Security Detect Potentially Unwanted Programs?
The Microsoft Defender or Windows Security app can easily detect the most common PUPs.

The Windows Security apps real-time protection provides everything needed to safeguard your machine from known and unknown security threats.
How to View Apps that Windows Security Identifies as PUA?
PUA, or Potentially Unwanted Applications, are simply programs that can cause your machine to run slowly.

They dont do much harm; they just run in the background and slow down your machine.
Any capable antimalware or antivirus tool can detect PUA or PUPs at ease.
Heres what you gotta do.

- pop in Windows Security in the Windows Search.
Next, open theWindows Securityapp from the list of best-match results.
When the Windows Security app opens, switch to theProtection Historytab on the left.

The list will also have the PUPs.
Potentially Unwanted App Found, Cant Remove?
Sometimes, the Windows Security app can detect the Potentially Unwanted App but cant remove it.

Many users have been facing this problem recently.
Whenever Windows Security detects a PUA, it automatically adds the entry to the Protection history list.
Its possible that youre checking Windows Securitys Protection History page and assuming that the threat is still there.

However, its not.
Both security tools can detect and remove potentially unwanted programs from your machine.
Also, Malwarebytes works with adwares as well.
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