I have a server 2008 with a strange problem.
For some reason, any admin users (except for the main Administrator account) cannot access or write into certain folders including C:\Windows and C:\Program Files. When trying to access calculator program, it would say "permission is denied" or "access is denied".
When trying to open explorer, it just freeze on a white screen (probably due to the permission). I am unsure what is causing this as the main administrator account is fine but when we create a new user and give him both the administrators group + Domain users group only, the problem still occurs.
Any idea what might cause this and how to fix this? this is extremely urgent to resolve on this server as it the primary domain controller and a file share server.