电脑无法更改主题怎么回事？

原因分析：

此情况可能是由于Themes服务感染病毒或者曾破解系统主题并安装第三方的主题，造成Themes服务被破坏

解决方案：导入如下注册表

将以下信息复制粘贴到文本文档中

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesThemes]

"Type"=dword:00000020

"Start"=dword:00000002

"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,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,

00,76,00,63,00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20,00,2d,00,

6b,00,20,00,6e,00,65,00,74,00,73,00,76,00,63,00,73,00,00,00

"DisplayName"="Themes"

"Group"="UIGroup"

"ObjectName"="LocalSystem"

"FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,41,00,4d,

00,01,00,00,00,60,ea,00,00,01,00,00,00,60,ea,00,00,00,00,00,00,00,00,00,00

"Description"="为用户提供使用主题管理的经验。"

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesThemesParameters]

"ServiceDll"=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,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,

73,00,68,00,73,00,76,00,63,00,73,00,2e,00,64,00,6c,00,6c,00,00,00

"ServiceMain"="ThemeServiceMain"

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesThemesSecurity]

"Security"=hex:01,00,14,80,90,00,00,00,9c,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,

00,00,02,00,60,00,04,00,00,00,00,00,14,00,fd,01,02,00,01,01,00,00,00,00,00,

05,12,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,

20,02,00,00,00,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,05,0b,00,00,00,00,

00,18,00,fd,01,02,00,01,02,00,00,00,00,00,05,20,00,00,00,23,02,00,00,01,01,

00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesThemesEnum]

"0"="RootLEGACY_THEMES0000"

"Count"=dword:00000001

"NextInstance"=dword:00000001

点击文件——另存为

将保存路径选择为桌面，文件名保存为新建文本文档.reg，然后点击保存。

保存之后桌面会生成如下图标，直接双击，按照提示点击“是”，确定即可。下次重新启动即可。

是电脑内的主题服务可能被禁用了。打开控制面板》管理工具》服务，在列表中找到Themes，按右键选择启动，按右键打开属性，把启动类型改成自动。即可。