If this is the case, we recommend that you re-enable the antivirus software when you have finished downloading and installing your new software. This can happen when the antivirus software has difficulty determining whether the program you want to install is malicious or legitimate. For example, when installing certain programs, an installation program requests that you disable the antivirus software. There are situations when antivirus software needs to be disabled. However, in some situations, you may want to disable your antivirus program temporarily, and this article will show you how to do this on the most popular antivirus applications. How to Temporarily Disable Avast, ESET, McAfee, Avira, and Webroot Antivirus in Windows 10Īntivirus is computer software used to prevent, detect and remove malicious software.