You may be able to role back to a registry before the offending change.

I did this once when an AVG update borked my system before a vacation: Got back, could not boot. Googling confirmed a significant AVG bug, repaired within hours of my applying the update.

Booted Knoppix, found a registry file dated just before the update (Windows at the time saved the last handful - this was XP several years ago), deleted the more recent ones, may have done some renaming, rebooted whilst holding my breath.

All was well.

Linux, the ultimate Windows recovery tool.

If it's 'brand new', there shouldn't be too much disparity between the recovery and your current state.

There are reg dump tools on Linux. It will make a huge text file which you can dig through. On Windows I regularly dump HKCU for just such an occasion

I think that is a given (i.e. yes!)