Win8提示无效产品密钥且错误代码0x80070424解决方法

近日，很多win8用户表示，电脑在使用了一段时间之后，系统会莫名其妙的弹出“无效的产品密钥，尝试使用此产品密钥时发生以下故障：代码0x80070424，描述为指定的服务未安装”这样的错误代码提示，这是怎么回事呢?为什么会出现这样的情况。下面，小编就给大家介绍Win8提示无效产品密钥且错误代码0x80070424的解决方法。

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错误代码0x80070424

原因分析：

可能是Software Protection服务丢失，即在services中无法找到该服务。

解决方法：

1、按”Win+R”组合键，调出运行框，输入: services.msc 并回车，查找Software Protection服务。

2、如果找不到Software Protection服务，那么我们可以参考如下方案，通过导入Software Protection键值，重建Software Protection服务，来解决该问题：

3、新建一个记事本文件，将以下文字复制粘贴到记事本中，以“SP.reg”命名并保存于桌面。

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