[Petya V4sechkin]

В реестре HKLM -> SYSTEM -> CurrentControlSet -> Services -> AudioEndpointBuilder -> Parameters -> ServiceDll = %SystemRoot%\System32\AudioEndpointBuilder.dll

Нет, в Windows 7 по-другому.

Примените твик реестра

Код:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\AudioEndpointBuilder\Parameters]
"ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,\
  00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,\
  41,00,75,00,64,00,69,00,6f,00,73,00,72,00,76,00,2e,00,64,00,6c,00,6c,00,00,\
  00
"ServiceDllUnloadOnStop"=dword:00000001