Hi
This may be of some help:
PROBLEM
==========
service specific error 2250
RESOLUTION
===============
-Uninstall, Reinstall Client for Microsoft Networks Redirector
-To unistall Client for Microsoft Networks Redirector, follow these steps:
- Right click on "My Network Places" located on the desktop,
and select "Properties"
- Right click on "Local Area Connection", and choose,
"Properties"
- Highlight "TCP/IP Properties" and click the "Uninstall
Button". If asked to reboot, due so, this uninstalls the redirector.
- To reinstall the Redirector, follow the above steps, but
choose the "Install" button, instead of the "Uninstall".
The following can also be considered:
Reference Link:
=============
http://support.microsoft.com/default.aspx?scid=kb;[LN];841570
CAUSE
=====
This issue occurs because the MUP.SYS file is missing or corrupted.
RESOLUTION
==========
Use System File Checker with the /scannow
parameter to immediately scan and verify the versions of all the system
files that Windows File Protection helps protect. You must be logged on as
an administrator or as a member of the Administrators group to run System
File Checker. To run System File Checker with the /scannow
parameter, follow these steps:
1. Locate and open the "C:\Windows\System32\Drivers" folder.
2. Right-click the "MUP.SYS" file if it exists, and then click "Rename".
3. Type "MUP.OLD" (without the quotation marks).
4. Click "Start", and then click "Run".
5. In the "Open" box, type "cmd" (without the quotation marks), and
then click "OK".
6. At the command prompt, type "sfc /scannow" (without the quotation
marks), and then press ENTER.
MORE INFORMATION
================
For additional information about how to update MUP.SYS to the most recent
version, click the following article number to view the article in the
Microsoft Knowledge Base:
http://support.microsoft.com/default.aspx?scid=kb;[LN];311967 : Unchecked
buffer in the Multiple UNC
Provider
For additional information about System File Checker, click the following
article number to view the article in the Microsoft Knowledge Base:
http://support.microsoft.com/default.aspx?scid=kb;[LN];310747 :
Description of Windows XP and Windows Server
2003 System File Checker (Sfc.exe)
Shilpa Sinha
This posting is provided "AS IS" with no warranties, and confers no rights.