win7 火狐浏览器图标失效变成配置文件模样解决方法

步骤：
1.通过组织查看文件夹选项，显示所有文件已知的扩展名
2.建个文本文档将下面的代码复制，并且改为后缀名为.bat的文件，然后双击运行，即可解决问题

这种方法叫做win7图标缓存重建


rem 关闭Windows外壳程序explorer

taskkill /f /im explorer.exe

rem 清理系统图标缓存数据库

attrib -h -s -r "%userprofile%\AppData\Local\IconCache.db"

del /f "%userprofile%\AppData\Local\IconCache.db"

attrib /s /d -h -s -r "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\*"

del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_32.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_96.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_102.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_1024.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_sr.db"

rem 清理 系统托盘记忆的图标

echo y|reg delete "HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify" /v IconStreams
echo y|reg delete "HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify" /v PastIconsStream

rem 重启Windows外壳程序explorer

start explorer