If the user doesn't have permission for remote debugging,Unlocker will fail with the following error message
Error Debug privileges
Provide Debug privileges for the user in the target machine to satisfy Unlocker
Start -> Run -> "secpol.msc" then click ok
Expand "Local Policies" in left pane
click the "User Rights Assignments" folder
On the right hand screen double click "Debug Programs"
Click the "Add User or Group" button
Click the "Advanced" button
Click the "find now" button
select your "user logon name" and then click the "Ok" button
Changes will take effect after a logoff or a reboot.