The most common of these respond with these formats of files: .exe, .wmv, & .jpg
Now go to your LW filters: LW's menu Tools>Options>Filters>Keywords & add the above words one by one to the list & then press the apply button. Now you won't have to worry about them again.
For macosx that's LW's Prefs>Filters>Keywords & for OSClassic that's Options>Filters>Keywords |