Antivirus software might be the reason why you cannot install the program successfully, such as drivers, video program and some other important applications. They might not recognize the software. So when you cannot install the software, you can try disabling the antivirus software temporarily. If you are using Avast Antivirus, you can follow these steps to disable it temporarily.
Click the small triangle on your Windows taskbar to open the notification area. Right-click the Avast Antivirus icon for a list of options related to the security suite.
Click Avast shields control. You can select the option depending on how long you wish to disable Avast Antivirus.
After selecting the option, you will be prompted to confirm the operation. Click Yes to make a confirmation.