[Petya V4sechkin]

mishanya85, попробуйте восстановить службу RPC твиком реестра:

Код:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RpcSs]
"Description"="Обеспечивает сопоставление конечных точек и иных служб RPC."
"DisplayName"="Удаленный вызов процедур (RPC)"
"ErrorControl"=dword:00000001
"Group"="COM Infrastructure"
"ImagePath"=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,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
  00,76,00,63,00,68,00,6f,00,73,00,74,00,20,00,2d,00,6b,00,20,00,72,00,70,00,\
  63,00,73,00,73,00,00,00
"ObjectName"="NT AUTHORITY\\NetworkService"
"Start"=dword:00000002
"Type"=dword:00000020
"FailureActions"=hex:00,00,00,00,00,00,00,00,00,00,00,00,01,00,00,00,00,00,00,\
  00,02,00,00,00,60,ea,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RpcSs\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,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,\
  72,00,70,00,63,00,73,00,73,00,2e,00,64,00,6c,00,6c,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RpcSs\Security]
"Security"=hex:01,00,14,80,a8,00,00,00,b4,00,00,00,14,00,00,00,30,00,00,00,02,\
  00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
  00,00,02,00,78,00,05,00,00,00,00,00,14,00,8d,00,02,00,01,01,00,00,00,00,00,\
  05,0b,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,\
  20,02,00,00,00,00,18,00,8d,00,02,00,01,02,00,00,00,00,00,05,20,00,00,00,23,\
  02,00,00,00,00,14,00,9d,00,00,00,01,01,00,00,00,00,00,05,04,00,00,00,00,00,\
  18,00,9d,00,00,00,01,02,00,00,00,00,00,05,20,00,00,00,21,02,00,00,01,01,00,\
  00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00

А также рецепт из статьи KB838428.