PowerPoint幻灯片穿越主题如何不见了

1.找不到主题服务.怎么办

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_] "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_] "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_] "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_] "0"="Root\LEGACY_THEMES\0000" "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。