Hi, I'm having a problem with the Blackberry Desktop Software. The problem is it keep asking me to install/update BlackBerry 6.0.0 Core Applications. I have already done this three times. The latest time the message was removed but came back now.

ignore it and hit cancel

No cancel button it is required.

I get that message every time I use DM. I just hit the cancel button as devnull said. Are you saying you actually updated your software three times this way and it's still asking you to update? What I would update is your DM as that doesn't sound right.