after I update , it occurs a kind of document name is" Parallels Destop-parallels-en_us-4.0.3844.408728.dmg. prlupd-part ,size is 3.2mb . I don't know how to open or delete , when I delete , it always create itself all the time . how I delete this file permermanent . thank you for all advice.
I perform update by asking from the update box that is a question ask me about update. and I click ok.
-part means it's downloading the update. you'll not be able to delete it while Parallels Updater is running.