There
There is a simple registry tweak to fix this problem.
Speed up network browsing in Windows
1. Start Registry Editor ([How to start Registry Editor->how-to-start-registry-editor-in-windows])
2. Navigate to HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/Current Version/Explorer/RemoteComputer/NameSpace/{D6277990-4C6A-11CF-8D87-00AA0060F5BF}
3. Backup {D6277990-4C6A-11CF-8D87-00AA0060F5BF} key ([Backing up part of the registry->how-to-backup-part-of-the-registry]). This way you can easily restore deleted value.
4. Right click on {D6277990-4C6A-11CF-8D87-00AA0060F5BF} key and click delete
5. Restart your computer