If you have any version of Engine version LOWER than 0.6 you have this bug. In the meantime, a fix has been released and is being installed silently. Here’s a true example from the : If anyone noticed, in the last Windows Defender was a bug that caused your HDD/SDD filled up with crap files.
Sometimes the occupying disk space can reach up to 30GB. Is your HDD/SSD suddenly starting to run out of space? According to lots of user reports, a Windows Defender bug fills Windows boot drive with thousands of files, wasting gigabytes of disk space on Windows 10. Windows Defender Bug Fills Windows Boot Drive with Thousands of Files?
How to Fix the “Windows bug fills Windows boot drive” Issue.Windows Defender Bug Fills Windows Boot Drive with Thousands of Files?.It provides detailed steps to fix the problem. If you are also one of them, this post of MiniTool is worth reading. A lot of people complain that a Windows Defender bug fills Windows boot drive with gigabytes of files.