Angels have the Phone Box
Try going into Macrium's Other Tasks>Fix VSS Problems
You can let Macrium backup on its own without Windows VSS:
Other Tasks>Edit Defaults>Advanced>VSS Options
and check the box to Exclude all VSS writers to resolve specific snapshot failures
If you can get an image created, then we can do some repair work on your OS afterwards.
p.s. I think Volume Shadow Copy Service should be Manual, (at least mine is), and once you've changed that, Start the service. Any "tune-up utilities" should be undone and removed from the system.