If you’re using a different anti-virus product, you still may be impacted by the problem, but there is no possibility to detect or correct this automatically. For every folder shown in the notification, press the + button, select “Folder” from the menu, and select the folder.Scroll down if needed, and then click on “Add or remove exclusions”.Click on “Manage settings” under “Virus & threat protection settings”.If you prefer to perform the necessary configuration manually, you can do so by following these steps: The IDE offers you a possibility to exclude those directories from scanning automatically (this feature is available in 2019.2+ IDE versions). If you’re using Windows Defender, the IDE automatically checks whether you have real-time scanning enabled, and whether the scanning is configured to process directories where the IDE writes a lot of files. If your antivirus software has real-time scanning enabled, the antivirus can force the build process to halt each time a file is created while the antivirus scans that file. When you run a build in the IDE, many class files are created on your computer.

Some antivirus software can interfere with the IDE build process, causing builds to run dramatically slower.

Windows defender scan time