Hello.
It is odd that you would get this error when trying to edit a policy. Here
are some ideas on what may cause this.
1. Virus or trojan.
2. Third party software conflicting with what you are trying to accomplish.
3. The way in which or the tool that you are using to edit the policy.
4. Get updated video drivers.
4. Hardware going bad.
For items 1 and 2 use the cleanboot method described at the end of this
post.
For item 3 go to Start\Run and type in dsa.msc (or gpedit.msc if you are not
in a domain) see if you can edit policy here.
For item 4 get the hrdware checked.
CLEANBOOT method: First obtain msconfig.exe form a Windows XP machine and
put it in the Winnt directory.
We want to implement the Cleanboot process using MSCONFIG to rule out 3rd
party software as the cause of this issue. MSCONFIG from XP can also be used
on a Windows 2000 Pro or Server client.
Go to Start\Run type in Msconfig and press OK.
Go to the Startup tab.
Click on "Disable All"
Go to the Services Tab
Click on "Hide all Microsoft Services"
Uncheck the 3rd party services that are left
Press OK twice to reboot.
Once your computer is restarted see if the issue still occurs. if it still
does go to Msconfig and select Enable All on the startup tab.
If the issue does not occur go to the Startup tab and select items 4 at a
time or so with reboots in between to narrow down the exact item causing
your problem.
310353 How to Perform a Clean Boot in Windows XP
http://support.microsoft.com/?id=310353
Buz Brodin
MCSE NT4 / Win2K
Microsoft Enterprise Domain Support
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