"This PC" bug

I have an odd problem. When I try to look into "This PC", the computer hangs and gives an error that a network share that no longer exists on another machine is hanging it up. If I wait 5-10 minutes, it eventually settles and shows the current drives. There are no network drives mapped. I've tried the preference to NOT store addresses across restarts and nothing has worked.

The config was copied from another machine to save time with layouts so quite possible it was never used on this machine but was transferred over with the config. I'm just not sure where to look to fix it.

Could you send us a process snapshot made when that error message is on screen?

Here's how to make them:

In this case, a single snapshot is enough. You can ignore where it says to make multiple. (That's usually required, but not with this issue.)

Many thanks, and sorry for the problem!