[beagle3]

No, that person already had a PDF viewer installed, more capable than the one built in to edge.

There is no excuse to replacing that on a forced update without notification.

Seriously, you can explain anything this way: “all files deleted” alternative: “Microsoft just helping you free up space” or “the files weren’t backed up so they weren’t important”.

Microsoft is squarely in the “monopolistic bad guy” corner here.

Edit: Said person also had a self-updating Chrome, self-updating Firefox, and manually updating Safari on the same machine, for the record.

[Infinitesimus]

Changing existing defaults is def a no-no. I thought it was a fresh install of Windows you were complaining about.