basically afaik, you have two things that are important, your identity files and the storagenode data… so long as you don’t loose either of those folders you should be good.
else you are basically down to following the migration guide
tho you might be able to repair windows, usually when you jump from one system to another with the same windows, its the chipset drivers and such that really act up… you might even get it up and running if you can boot it into safe mode…
and then just boot it normally afterwards as windows should find new drivers, if you can get into safe mode with a working network / internet it might even download the stuff it needs if it doesn’t have it already.
i would try that before doing anything else, it might be a 2 minutes fix.
else try to get it to repair windows, tho that might not be possible, then you are back at a reinstall or and then it should be a question of where stuff is located… if you accidentally might format the drive that contains the storagenode…
haven’t had a v3 node on windows… so not much help there.