For last two days I am facing problem of inaccessibility for CONTROL PANEL (If I go through start menu, it is showing blank. If I clicked to open CONTROL PANEL button in start menu the following message is displaying. Not only for CONTROL PANEL, but for all (SYSTEM PROPERTIES, PERSONALISE SETTINGS while right click at desktop). This is for your information and I need any help you can, in this issue. Kindly let me know the procedure in step wise.
"This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator"