Reset the entire registry permissions to defaultsPlease perform the following steps to reset the permissions in registry.
1. Download and install the SubInACL utility.
Link:
http://www.microsoft.com/downloads/details.aspx?FamilyId=E8BA3E56-D8FE-4A91-93CF-ED6985E3927B&displaylang=en 2.Create a new text file named
fix_registry_permissions.bat and add the following text to it and
save it.
cd /d "%programfiles%\Windows Resource Kits\Tools"
subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CURRENT_USER /grant=administrators=f /grant=system=f
subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=administrators=f /grant=system=f
subinacl /subdirectories %SystemDrive% /grant=administrators=f /grant=system=f
subinacl /subdirectories %windir%\*.* /grant=administrators=f /grant=system=f
3. Run the file from the elevated command prompt.
You can also try the following command if the above mentioned steps doesnt help you.
a) secedit
b) icacls
