We have Office 2003 installed on our company PCs. Recently, we needed to add InfoPath onto several PCs. After putting the Office 2003 CD-ROM on a network drive and starting the install, we get a message about a CAB file that can't be found. Browsing shows that the file is definitely on the disc, but the install will not proceed. Sometimes the install can't find another CAB file, with the same results. Putting the disc on the drive in the PC didn't change anything. The same situation happened when trying to install Access 2003 on another PC. What's going on?