How to clean up boot menu of Windows 10
- Run a terminal as administrator, e.g. by hitting Win+R, typing
cmdand then Ctrl+Shift+Enter - Run
bcdedit /enum - Try to identify the offending boot entry and copy its ID
- In case you are in a PowerShell, type
cmdnow to open a regular shell, as the next command doesn't work in PowerShell - Run
bcdedit /delete <id> /fwhere<id>is something like{asdf-01234-...}