Installing and activating a new antivirus program or extension usually means disabling or removing a competing program, as such software is not designed to work in tandem with others. Relying on these programs eliminates the need to install that of a third-party vendor.

Newer Macs and Windows PCs have their own firewall and security software built-in with the operating system.

Some computers and peripherals include antivirus software as a bonus for purchasing, some firms offer free trials of their programs, and others are available to download at no cost.

New viruses and other malware emerge with frequency, and some antivirus programs perform better than others at staying updated to prevent those new threats.

Avast is one of many firms offering such products, and at some point, users may find they want to switch from Avast to a different program for several reasons: The importance of protecting computers from online threats has created a crowded market for internet security software. Reasons for Uninstalling Avast from Internet Explorer or Edge Reasons for Uninstalling Avast from Internet Explorer or Edge.

Avast internet security will not open