主题：打开方式－选择程序－被拒绝访问的解决办法

所有文件用默认的方式打开，就选择打开方式选择程序，系统提示“该文件拒绝访问” 怀疑对象： 征途旗帜木马病毒修改了注册表. 解决：从网上搜索到下面的方法，使用后问题解决 第一步：新建一个文本文件，保存为*.reg，*为随意文件名。 第二步：复制下列代码到文本文件，然后双击导入注册表。 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