How to get a list of recently closed applications in Windows Xp? like firefox has recently closed tabs
Re-launch Recently Closed Programs and Folders with ReOpen (For Windows XP and later)
Of course, you don't have to open them, if you only want to look up the recently closed programs, they're listed in the bottom window, in the top right corner you can specify the amount of entries listed.
ReOpen is freeware and portable (doesn't require to be installed).