SYMANTEC REGISTRY KEYS CAN'T BE REMOVED...

I noticed the following symantec keys when surfing registry. Why it not get removed after uninstalling Norton products?.

I tried many ways, changed permissions, removed permissions, but of no success...Please anyone know about this..

 

ControlSet001


[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_SRTSPX\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_SYMDS\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_SYMEFA\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_SYMEVENT\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_SYMIRON\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_SYMTDIV\0000]



ContolSet002

 

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_SRTSPX\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_SYMDS\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_SYMEFA\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_SYMEVENT\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_SYMIRON\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Enum\Root\LEGACY_SYMTDIV\0000]

 

CurrentControlSet

 

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_SRTSPX\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_SYMDS\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_SYMEFA\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_SYMEVENT\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_SYMIRON\0000]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_SYMTDIV\0000]