Allthough I have no idea what this key does,

the correct type is 'REG_BINARY' instead of 'REG_NONE'

Thus:

code:

writevalue("hkey_local_machine\system\currentcontrolset\services\msnp32\networkprovider","callorder","00000020","reg_binary")

Greetz,

Roger the Young

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The Code is out there