Reason Analysis:
The service may be missing from the Software Protection Service, that is, it cannot be found in services.
Workaround:
1, press "WIN+R" key combination, bring up the Run box, input: Services.msc and enter, find software Protection service:
2, if cannot find the Software Protection Service, then we may refer to the following scheme, through the Import Software protection key value, rebuilds the Software Protection Service, solves this problem:
3. Create a new Notepad file, paste the following text into Notepad, name it "Sp.reg" and save it on the desktop.
Windows Registry Editor Version 5.00
[Hkey_local_machinesystemcurrentcontrolsetservicessppsvc]
"Startprotected" =dword:00000001
"DisplayName" = "@%systemroot%system32sppsvc.exe,-101"
"ErrorControl" =dword:00000001
"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,
00,70,00,70,00,73,00,76,00,63,00,2e,00,65,00,78,00,65,00,00,00
"Start" =dword:00000002
"Type" =dword:00000010
"Description" = "@%systemroot%system32sppsvc.exe,-100"
"DependOnService" =hex (7): 52,00,70,00,63,00,53,00,73,00,00,00,00,00
"ObjectName" = "NT authoritynetworkservice"
"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
"Delayedautostart" =dword:00000001
"Failureactions" =hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,
00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00
[Hkey_local_machinesystemcurrentcontrolsetservicessppsvcsecurity]
"Security" =hex:01,00,14,80,a0,00,00,00,ac,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,
00,00,02,00,70,00,05,00,00,00,00,00,14,00,ff,01,02,00,01,01,00,00,00,00,00,
05,12,00,00,00,00,00,18,00,fd,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,
20,02,00,00,00,00,14,00,9d,01,02,00,01,01,00,00,00,00,00,05,04,00,00,00,00,
00,14,00,9d,01,02,00,01,01,00,00,00,00,00,05,06,00,00,00,00,00,14,00,14,00,
00,00,01,01,00,00,00,00,00,05,0b,00,00,00,01,01,00,00,00,00,00,05,12,00,00,
00,01,01,00,00,00,00,00,05,12,00,00,00
[Hkey_local_machinesystemcurrentcontrolsetservicessppsvctriggerinfo]
[Hkey_local_machinesystemcurrentcontrolsetservicessppsvctriggerinfo]
"Type" =dword:00000014
"Action" =dword:00000001
"GUID" =hex:da,8a,52,f5,5f,be,14,4f,8a,ef,a9,5d,e7,28,11,61
4, please double-click "Sp.reg", when the system prompts you to confirm the import registry, please click "Yes". You will then be prompted to indicate that you have successfully imported the registry.
5, after restarting, again into the "Services" Control Panel view, you can find Software Protection service, right-click and select Enable.
Software protection is an important service, WIN8 system prompts invalid product key, and error 0x80070424 is caused by this service loss, the user through the above method, import modify registry can restore this service.