If Windows Defender is blocking Avast antivirus on your system, use the following fixes to resolve the issue. Some users were able to fix this issue by disabling the Secure Boot. Secure Boot helps ...

Got a PC for the first time in awhile -- last PC had XP. I upgraded from 8.0 which came with the HP Envy to 8.1, after like 74 updates, 8.1 was visible in the Store. So what's a good choice for free, ...

Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.