You will need archive software like WinRAR or 7-Zip to look at the contents of a .rar file.
"ISUS" sometimes refers to "InstallShield Update Service."
Here is what I can tell you about managing a .rar file like "isus.rar":
You will need archive software like WinRAR or 7-Zip to look at the contents of a .rar file.
"ISUS" sometimes refers to "InstallShield Update Service."
Here is what I can tell you about managing a .rar file like "isus.rar":