- Antivirus software monitors software that is installed on your computer. The obvious reason for this is to prevent viruses from being installed. Antivirus software will notify you when a program is trying to be installed or will block the software from being installed if it thinks it is a threat. Some antivirus programs will allow software to be installed while the antivirus is enabled. It depends on the particular antivirus program and the settings that are being used.
- You should disable your antivirus program while installing new programs. The reason for this is to make sure the program installs completely and correctly. If you are concerned about being vulnerable while installing, then you can disconnect your Internet connection while you install the program. If you are installing a program from the Internet, it is best to make sure the software is from a safe source. It's also important to close other programs that are running while you install new programs. Open programs can cause installation to go less than perfectly, especially if an open program is using needed resources for the new program to install.
How Antivirus Works
Installing Software
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