If antivirus tools fail, manually delete these registry keys and files:
usm.exe is a legitimate file, and it is not considered malware. However, some malware can disguise itself as usm.exe, so it's essential to verify the file's location and authenticity.
An older "User Space Manager" process. It is generally not essential for Windows and can often be uninstalled via the Control Panel.
Some third-party PC gaming utilities, specifically the "Ultimate Selector Manager" for game mods, utilize this file name. 2. How to Verify If USM.exe is Safe