I RECEIVED THE MESSAGE: FREE UP SOME SPACE ON YOUR HARD DISK BEFORE STARTING A NEW SCAN. 0X5000:01

The hard drive is either compressed, read-only or full. Verify you have the adequate space in the System Requirements to perform scanning. A good article can be found here: https://www.windowscentral.com/best-7-ways-free-hard-drive-space-windows-10