Windows 10 Save As prompt doesn't show filename or type.

Reset Dialog Settings:​

1. Open Registry Editor:
   • Press Win + R, type regedit, and hit Enter.
   []Backup Registry:
   • Before making changes, export your current settings.
   []Navigate to Dialog Settings:
   • Go to HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer.

     Create a New Registry Key:​

   []Create New Key:
   • Right-click on Explorer, choose New > Key.
   • Name the new key CIDSave.
   []Create "GlobalSettings" Key:
   • Right-click on CIDSave, select New > Key and name it Modules.
   • Inside Modules, create another key named GlobalSettings.

     Add Registry Values:​

2. Add "ProperTreeModuleInner":
   • Select the GlobalSettings key.
   • Right-click in the right pane, choose New > Binary Value.
   • Name it ProperTreeModuleInner.
   • Double-click it and add the hexadecimal data provided in your post to the value data field.

     Restart and Check:​

     • Restart your computer and see if the changes have taken effect.
     • Test the "Save as" dialog in various programs that were previously not displaying the filename and file type extension.

     Final Notes:​

     • Make sure the binary data is correct and matches the expected format.
     • Any changes in the registry can impact system behavior, so proceed with caution and consider seeking further assistance if needed.
     Hopefully, these steps help resolve the issue with your "Save as" dialog prompt in Windows. Let me know if you encounter any difficulties or need further instructions.