Don't know if it'll help you. I had to use gpedit.msc to solve (part of) my problems. See Microsoft :
http://support.microsoft.com/default.aspx?scid=kb;en-us;327462 -----------------------------------------------------
Event ID: 1526
Severity: Error
Windows did not load your roaming profile and is attempting to log you on with your local profile.
Changes to the profile will not be copied to the server when you logoff.
Windows did not load your profile because a server copy of the profile folder already exists that does not have the correct security.
Either the current user or the Administrator's group must be the owner of the folder. Contact your network administrator.
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To Turn Off the New Check for Existing Roaming User Profile Folders
A new computer policy that is named "Do not check for user ownership of Roaming Profile Folders" exists under
Administrative Templates\System\User Profiles in Group Policy Editor.
In Windows 2000 SP4, the new computer policy exists under
Computer configuration\Administrative Template\System\Logon in Group Policy Editor.
Administrators can use this policy to turn off the ownership check for existing roaming user profile folders and to revert to the Windows XP behavior. This new policy prevents Windows XP SP1 and Windows 2000 SP4 from checking for correct permissions on a user's roaming profile folder. In Windows XP without SP1 and versions of Windows 2000 prior to SP4, no checks are performed for correct permissions if the profile folder already exists.
Windows XP SP1 and Windows 2000 SP4 do not copy files to or from the roaming profile folder if all these conditions exist:
You turn off or do not configure this setting.
The roaming user profile folder exists.
Neither the user nor the Administrators group is the owner of the folder.
If you turn on this setting, the behavior is the same as Windows XP without SP1 and versions of Windows 2000 prior to SP4.
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