Add or Remove Programs entry for rss_upd. Rss_upd is a part of the recovery software and is installed with a *.msi (Microsoft installer) file during the factory installation and a Full System Restore from the \i386\Apps\ App16395 folder of the recovery partition. Any time that a *.msi file is used, an entry is added in Add or Remove Programs. The size is reported as 4 GB in size in Add or Remove Programs; however it is not actually 4 GB in size. This size is reported since it is the size of the recovery partition in which the program was installed from.