I bough this computer from friend and has app installed in it. i can not update or uninstalled the app. I will like to repurchase under my account but has no option to do so.
Which OS X version is running on your Mac?
Please try the following:
- search for “djay” via “Spotlight”
- delete all djay related files/folders you can find
- empty the Trash
- restart your Mac
By the way, have you thought about completely resetting your Mac?
i am new to mac and never gave a thought about doing a complete resetting. i give this a try.