How to delete key in registry?

[jjaaskel]

I need to delete key in my win2k registry, but I get this note: Cannot delete LEGACY_PGPMEMLOCK: Error while deleting key.

I had PGP in my computer but I have serious crashing problems after installing that and I uninstalled that but there left this key in registry:
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\ LEGACY_PGPMEMLOCK]
"NextInstance"=dword:00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\ LEGACY_PGPMEMLOCK\0000]
"Service"="PGPmemlock"
"Legacy"=dword:00000001
"ConfigFlags"=dword:00000000
"Class"="LegacyDriver"
"ClassGUID"="{8ECC055D-047F-11D1-A537-0000F8753ED1}"
"DeviceDesc"="PGPmemlock"
"Capabilities"=dword:00000000

AND I WOULD LIKE GET RID OF IT...can anyone help me please?

[RWSchlatter]

try to delete each of the data values single and as last the registry key.

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Regards - Richard