Hello,
Here are a few steps you can try to fix this issue:
Restart Windows Explorer:
Press Ctrl + Shift + Esc to open Task Manager.
Find Windows Explorer in the list, right-click it, and select Restart.
Restart the Windows Search Service:
Press Windows + R to open the Run dialog.
Type services.msc and press Enter.
Find Windows Search in the list, right-click it, and select Restart.
Run the Search and Indexing Troubleshooter:
Go to Settings > Update & Security > Troubleshoot.
Select Search and Indexing and run the troubleshooter.
Run Ctfmon.exe:
Press Windows + R to open the Run dialog.
Type C:\Windows\system32\ctfmon.exe and press Enter. This can help restore the language bar and fix the search issue.
Rebuild the Index:
Go to Control Panel > Indexing Options.
Click Advanced and then Rebuild.
Update Windows:
Make sure your Windows is up to date by going to Settings > Update & Security > Windows Update and checking for updates.
If these steps don't resolve the issue, you might want to consider creating a new user account or resetting your PC as a last resort.