office无法找到此应用程序的许可证怎么办？
解决方案
打开"服务"窗口：services.msc（搜索一下，或者Win+x→运行都可以打开这个窗口）
找到”software prtection服务“，office出现错误提示的时候，这个服务是禁止状态。如果直接能够启动，那就可以把这个问题解决了。
小编的电脑通过服务窗口，不能直接启动software prtection服务，只能通过修改注册表的方式解决。打开注册表：
找到这个目录：HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\sppsvc，这个看起来有点复杂了，不好下手啊。
还是直接双击一下注册表文件比较方便。把一下代码复制到一个文本文档里，把文件名改为“software prtection服务.reg”，双击这个.reg文件，即可修复software prtection服务的注册表。
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\sppsvc] "StartProtected"=dword:00000001 "DisplayName"="@%SystemRoot%\\system32\\sppsvc.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%\\system32\\sppsvc.exe,-100" "DependOnService"=hex(7):52,00,70,00,63,00,53,00,73,00,00,00,00,00 "ObjectName"="NT AUTHORITY\\NetworkService" "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_MACHINE\SYSTEM\CurrentControlSet\Services\sppsvc\Security] "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_MACHINE\SYSTEM\CurrentControlSet\Services\sppsvc\TriggerInfo] [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\sppsvc\TriggerInfo\0] "Type"=dword:00000014 "Action"=dword:00000001 "GUID"=hex:da,8a,52,f5,5f,be,14,4f,8a,ef,a9,5d,e7,28,11,61
测试一下office是否恢复正常使用了
