speedup access to network shares

HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/Current Version/Explorer/RemoteComputer/NameSpace/{D6277990-4C6A-11CF-8D87-00AA0060F5BF}
To backup and delete the key, In the regedt32 registry editor navigate to the NameSpace key :
Right click {D6277990-4C6A-11CF-8D87-00AA0060F5BF}
Click Export. From the Export Registry File dialog box in the File Name text box :
Type the filename of your choice as in restoreshare
Click Save This saves the file names (in my example), restoreshare.reg to the My Documents folder. Its now safe to delete the key.
Right click {D6277990-4C6A-11CF-8D87-00AA0060F5BF}
Click Delete
Click Yes in the Confirm Key Delete dialog box.
If your system is unstable or weird after deleting this key, you can restore the key. In Explorer, double-click on your reg file. This will restore the deleted registry key.