Here are the simpliest ways to enable and disble your Registry
Open Start - Run and type:
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 0 /f
to ENABLE Registry editing.
type:
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
to DISABLE Registry editing.
