Well, I came in mind that I could post the registry entry related to my SLsvn service. I really think that it can be related with it, especially if it was altered twice - both from backup of jv16 and the default settings from speedyvista. Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\slsvc] "DisplayName"="Licencjonowanie oprogramowania" "Group"="ProfSvc_Group" "Description"="@%SystemRoot%\\system32\\SLsvc.exe,-100" "ObjectName"="NT AUTHORITY\\NetworkService" "ErrorControl"=dword:00000001 "Start"=dword:00000002 "Type"=dword:00000010 "DependOnService"=hex(7):52,00,70,00,63,00,53,00,73,00,00,00,00,00 "ServiceSidType"=dword:00000001 "RequiredPrivileges"=hex(7):53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,\ 00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,68,00,\ 61,00,6e,00,67,00,65,00,4e,00,6f,00,74,00,69,00,66,00,79,00,50,00,72,00,69,\ 00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,\ 61,00,74,00,65,00,47,00,6c,00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,00,76,\ 00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,\ 72,00,73,00,6f,00,6e,00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,\ 00,65,00,67,00,65,00,00,00,00,00 "FailureActions"=hex:00,00,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\ 00,00,00,00,00,c0,d4,01,00,00,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00 "ImagePath"="%SystemRoot%\\system32\\SLsvc.exe" [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\slsvc\Enum] "0"="Root\\LEGACY_SLSVC\\0000" "Count"=dword:00000001 "NextInstance"=dword:00000001