原因：1、可能使用了优化工具或者米老鼠注册表减肥(regclean)等注册表清理工具，误删了一些相关注册表键值；2、在安装搜狗拼音输入法并进行设置后，也会出现同样情况。
方法一：使用软件
可以用（IMETool V2.7.6）把微软输入法删掉，到这里下载
链接一：l
方法二：
将下面的文本复制到记事本里，保存为后缀名为.reg的文件，双击导入也可以
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts]
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000402]
Layout Text=保加利亚语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5053
Layout File=KBDBU.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000404]
Layout File=KBDUS.DLL
Layout Text=中文 (繁体) - 美式键盘
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5065
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000405]
Layout Text=捷克语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5031
Layout File=KBDCZ.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000406]
Layout Text=丹麦语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5007
Layout File=KBDDA.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000407]
Layout Text=德语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5011
Layout File=KBDGR.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000408]
Layout Text=希腊语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5046
Layout File=KBDHE.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000409]
Layout File=KBDUS.DLL
Layout Text=美国英语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5000
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\0000040a]
Layout Text=西班牙语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5020
Layout File=KBDSP.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\0000040b]
Layout Text=芬兰语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5009
Layout File=KBDFI.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\0000040c]
Layout Text=法语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5010
Layout File=KBDFR.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\0000040e]
Layout Text=匈牙利语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5033
Layout File=KBDHU.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\0000040f]
Layout Text=冰岛语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5013
Layout File=KBDIC.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000410]
Layout Text=意大利语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5015
Layout File=KBDIT.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000411]
Layout File=KBDJPN.DLL
Layout Text=日语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5061
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000412]
Layout File=KBDKOR.DLL
Layout Text=朝鲜语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5063
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000413]
Layout Text=荷兰语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5008
Layout File=KBDNE.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000414]
Layout Text=挪威语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5018
Layout File=KBDNO.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000415]
Layout Text=波兰语 (程序员)
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5035
Layout File=KBDPL1.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000416]
Layout Text=葡萄牙语 (巴西 ABNT)
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5003
Layout File=KBDBR.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000418]
Layout Text=罗马尼亚语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5037
Layout File=KBDRO.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\00000419]
Layout Text=俄语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5055
Layout File=KBDRU.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\0000041A]
Layout Text=克罗地亚语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5030
Layout File=KBDCR.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\0000041b]
Layout Text=斯洛伐克语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5039
Layout File=KBDSL.DLL
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts\0000041c]
Layout Text=阿尔巴尼亚语
Layout Display Name=@%SystemRoot%\\system32\\input.dll,-5029
Layout File=KBDAL.DLL