You could also change nothing and make up an excuse to restart.

"Ok I checked the regedit HSKEY_LOCAL to ensure [company software] exists and has correct values, now we should just reboot to apply new settings."

I miss my IT days, they were fun. I once saw a USB flashdrive taped to a postcard. It was the old owners friend who had sent him pictures from a meet up.

I loved it. The old guy wanted to send pictures. And send them he did.

Also did my last favor for a guy who needed a long ethernet cable for something at home, I said sure, but we need it back by next week. He never returned it. So I told him "I'm not gonna argue, either it's on my desk tomorrow or I'll send your department an invoice so we can buy a new one."

It was on my desk next day in a tangled pile.