I'm having this same issue. However, I'm rarely browsing photos or the Photos folder, and it still happens to me. I'm a developer, and it often happens in the background while I'm working in a number of other applications. All File Explorer tabs will suddenly show "Desktop", and like @hipswich, I can indeed navigate with the back button to where I was before. However as you can imagine I have to have many Explorer windows/tabs open, so this causes great productivity slowdowns.
I have no idea what triggers this.
Followed instructions here: Using System File Checker in Windows
Log -----------------------------------------------------------------------PS > DISM.exe /Online /Cleanup-image /RestorehealthDeployment Image Servicing and Management toolVersion: 10.0.22621.2792Image Version: 10.0.22631.3447[==========================100.0%==========================] The restore operation completed successfully.The operation completed successfully.PS > sfc /scannowBeginning system scan. This process will take some time.Beginning verification phase of system scan.Verification 100% complete.Windows Resource Protection did not find any integrity violations.-----------------------------------------------------------------------