前不久因为电脑中毒,后来用ghost对系统进行还原,还原后发现有很多软件不能正常使用,没办法,只好一个一个重装,终于能正常使用了,可是今天中午在家放媒体文件时右键,选择打开方式,点击"选择程序"时出现一个系统消息框,提示系统找不到该文件,当时就把我搞晕了,明明文件在,且我是在文件上右击的,怎么提示系统找不到文件呢?我想一定是系统注册表前两天进行系统还原时某处被更改了,于是把床头的资料翻出一本一本查,最终得出解决方法如下,现在电脑好了,一切正常!!!

把下面代码存为"*.reg" 文件后双击修改注册表,然后重启电脑

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Unknown]
"AlwaysShowExt"=""
"QueryClassStore"=""

[HKEY_CLASSES_ROOT\Unknown\shell]
@="openas"

[HKEY_CLASSES_ROOT\Unknown\shell\openas]

[HKEY_CLASSES_ROOT\Unknown\shell\openas\command]
@=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,00,72,00,75,00,\
6e,00,64,00,6c,00,6c,00,33,00,32,00,2e,00,65,00,78,00,65,00,20,00,25,00,53,\
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,00,73,00,68,00,65,00,6c,00,6c,\
00,33,00,32,00,2e,00,64,00,6c,00,6c,00,2c,00,4f,00,70,00,65,00,6e,00,41,00,\
73,00,5f,00,52,00,75,00,6e,00,44,00,4c,00,4c,00,20,00,25,00,31,00,00,00