Currently Being ModeratedAug 3, 2011 2:21 PM (in response to CDUFly)
Just adding that I'm having the same problem, using iCal on a new MacBook Air. Swiping causes iCal to freeze and the system to lock up for 5-10 seconds. It happens in both full screen and regular windows.
Currently Being ModeratedAug 3, 2011 3:41 PM (in response to xrenx13)
I spoke with Apple Care on several different occations to try and resolve the problem. We tried everything from deleting caches, .plists and running in safe mode - none of which worked. After all of that I decided to just reinstall Lion on the computer. I did that yesterday and haven't had a single problem with iCal since. It is fast and responsive in both full screen and regular windows modes. While it does take a while to reinstall Lion, it seems like it's the only fix (at least for me it was). Hopefully this helps.
Currently Being ModeratedAug 4, 2011 2:05 PM (in response to rootdr)
To reinstall Lion without the disk, you're going to need to do a reinstall using Apple's new recovery mode called "Lion Recovery". You can read more in depth about Lion's recovery here:
When I reinstalled Lion this is what I did - it took about 1.2 hours:
1) Back up your computer
2) Make sure you have a good internet connection because OS X Lion will be downloaded via the internet. It is about 4 GB in size, so it will take a while (45 min with a good broadband connection)
3) Have your Apple ID/Mac App Store ID & Password handy - you will be asked for it
4) Restart the machine while holding down Command+R untill you see the spinning wheel
5) Navigate to Reinstall Mac OS X and click Continue.
6) Follow the promps to reinstall. This will do an archive and reinstall meaning that when the machine restarts your system should look the same and nothing should be deleted. Just for insurance though, make a back up before doing the reinstall.
7) Your computer should finish the install by itself and restart when completed. This should replace any corrupt files in iCal (or any other applcation for that matter) and you should be up in running in less than 1.5 hours.
Check out the Macworld article for more in depth information about Lion's recovery modes.
I hope this helps.