All types of scans can be impacted (Windows Defender full scan stuck, Windows quick scan not working and, of course, Windows Defender offline scan not starting or restarting).

When does this issue occur, and what can I expect?

Missing permissions: Users require administrative privileges to access certain vital functions and features, and if these are missing, you may find the Windows Defender offline scan not running.

Third-party apps triggering conflicts: Third-party antiviruses and other security software, when installed, can also trigger the problem.

Corrupt system files: If you have corrupt system files on the PC, several critical functioning will stop working, including issues like Windows Defender offline scan stuck.

Bug in the OS: The problem has been reported by a large number of users, which points to a bug in Windows itself.

Here are a few reasons the Windows 10 Defender offline scan is not working: Why is Windows Defender offline scan not working? But, we have a few solutions that worked seamlessly for other users. While Windows Defender not working can be easily fixed, having problems with the offline scan indicates an issue that is often tricky to identify.

Several users have, of late, reported that the Windows Defender offline scan is not working. It seems that after Windows Defender starts making a specific update to its database, it will start having freezing issues or will fail to start properly in Windows 10. Restoro has been downloaded by 0 readers this month.Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).Ĭlick Start Scan to find Windows issues that could be causing PC problems.Ĭlick Repair All to fix issues affecting your computer's security and performance.

Offline scan windows 10