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Best antivirus for Windows 10
Hello,
I have a question regarding antivirus programs on windows 10 - though this will also extend to windows 7 and windows 8.1.
My new windows 10 laptop came preinstalled with McAfee, and the trial has almost expired - hence, I uninstalled McAfee because it likes to use up a lot of CPU power. For example, "mcshield.exe", which is a McAfee component, used up over 50% of my CPU on occasion and Mcafee wasn't even running a scan or open (it was probably something in the background).
I have put AVG Free antivirus on my windows 10 laptop, to test it out (as my subscription on my other two laptops is up soon). Unfortunately I have already had a couple of issues - this new "System Interrupts" process is now using CPU (about 5%) and I can't stop it. Though recently, I have had this weird thing called "TIWORKER" consume up to 25% of my CPU, which is probably the equivalent of TrustedInstaller, the thing I complained about on the windows 7 forums. I had to manually force close it; now the laptops CPU usage is nice and low (as expected).
Which antivirus software would you recommend I use? It needs to work (i.e. stop viruses) and also needs to be light on CPU resources (the whole reason of getting rid of McAfee). Preferably a free version but would go for a paid version if the price is reasonable. (Remember that this will be for 3 PCs, 4 copies will be required if I get my new laptop dual booted.)
Thanks!