when i bought par5 for 2 or 3 upgrade also it (with xp) shake [ on interval of few minute appears down the window bar ] but in the last update the problem was solved. Now i upgrade to Par6 and the some problem reappers; it's worse because the onlyone app of window7 that is open jumps as featured and i lost so the control on other mac app on them i'm working. my english is so so ...
