You may want to use net command to delete the drives. This post may help,
Cant disconnect Network drive in vistaTry this command: net use * /d. -- Bob
Lin, MS-MVP, MCSE & CNE ... Ive got a desktop pc with Vista ultimate and an
acer laptop with xp installed. ...
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
How to Setup Windows, Network, VPN & Remote Access on
"Scully" <Scully@discussions.microsoft.com> wrote in message
>I recently formatted a network drive that I have, as I was changing the way
> store stuff on my network drives. However when I re-connected the drive I
> realised I had not disconnected it first. As a result of this I cannot
> the network drive to the computer. Everytime I try I get the message.
> ' The network folder specified is currently mapped using a different user
> name and password. To connect using a different user name and password,
> disconnect any existing mappings to this network share.'
> Windows explorer shows the old drive there. When i right click on it and
> select the disconnect option I get
> 'This network connection does not exist'
> when i right click on computer and select disconnect network drive option
> shows the drive i want to remove however when i select it and click OK to
> disconnect i get the message
> ' F:, connected to (there are 2 chinese symbols here), could not be
> disconnected because an error has occured:
> This network connection does not exist.'
> Can anyone help me with the problem.
> Many thanks in advance
> I'm not mad the voices in my head keep telling me so!