If you need to Restart PIM, simply follow these steps:
Double click the Home button on the iPad device
- Swipe left or right until you have located the PIM app which you wish to close)
- Swipe the PIM app up to close it
- Click the Home button once again (to hide the row of icons just displayed)
- That's it. Start the PIM app again. To learn more on forcing an app to restart or multi-tasking in iOS check out some tips form Apple.