Convert avi to DVD and burn DVD (more infos) without installation.
Download Portable ConvertXtoDVD on Zone-DL
(6.2 MB)
Pass: metlak.blogspot.com
Extract on hard disk or USB key and run ConvertXtoDVDPortable.
Settings of installed ConvertXtoDVD should be preserved.

Installation monitor and advanced uninstaller (more infos) without installation.
Download Portable TotalUninstall on ZONE-DL (1.8 MB)
Pass: metlak.blogspot.com

Extract on hard disk or USB key and run TotalUninstallPortable.
Settings of installed TotalUninstall should be preserved.
Delete Data folder to use on another computer.