What happens when important registry key permissions like ProductOptions are denied!
Environment: WIN2K8R2 (WIN5.X and WIN6.X both work, except I find this problem is more prominent on 2K8R2)
Problem: Read permission is denied for the [administrators] group of the [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlProductOptions] key, causing the system to fail to boot
Solution: Use the SYSTEM privilege to change the denied administrators privilege back
1. Create an interactive service with the SC command for the purpose of starting something with SYSTEM privileges ~ e.g. CMD
sc create SysCmd binPath= "cmd /k start" type= own type= interact
Operates as shown.