To disable Windows Messenger 4.5 or later for Windows XP Home or Windows XP Pro:
Hive: HKEY_LOCAL_MACHINE
Key: Software\Policies\Microsoft\Messenger\Client
Name: PreventRun
Type: REG_DWORD
Value: 1
disabled
To disable Windows Messenger 4.5 or later for Windows XP Home or Windows XP Pro:
Hive: HKEY_LOCAL_MACHINE
Key: Software\Policies\Microsoft\Messenger\Client
Name: PreventRun
Type: REG_DWORD
Value: 1
disabled