把以下内容,在txt编辑器另存为 reg文件,运行即可。
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows Photo ViewerCapabilitiesFileAssociations]
".png"="PhotoViewer.FileAssoc.Tiff"
".bmp"="PhotoViewer.FileAssoc.Tiff"
".gif"="PhotoViewer.FileAssoc.Tiff"