Avast Free Antivirus is one of the most popular antimalware products around. Antivirus solutions come with options ranging from basic protection to full-fledged internet security suites that include additional security features such as parental controls, password managers and internet filters. The AV-Test Institute has created a standardized password protect a file test that does exactly this and is recognized worldwide as the firm authority on the overall performance of antivirus software. If a file has been infected by a computer virus, anti-virus software will attempt to remove the virus code from the file during disinfection, but it is not always able to restore the file to its undamaged state.
Windows Defender will automatically disable itself when you install a third-party antivirus, and then re-enable itself again if you ever uninstall that third-party antivirus. The pricing structure is a bit complicated and the design protect file could use an overhaul, but the functionality is solid and the app should work pretty well. Mac devices also come standard with their own security measure that has proven to be pretty effective against many internet threats.