There appears to be a problem with the most recent version of the plugin in regards to a memory leak in the application.
To replicate: create an all-day event and assign it to repeat Every Monday. I also fill out the location and disable comments.
[02-Aug-2012 15:56:42 UTC] PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 523800 bytes) in /mnt/target02/xxxx/dev.xyz.com/web/content/wp-content/plugins/all-in-one-event-calendar/lib/helpers/SG_iCal_Freq.php on line 492
Using FF 14.0.1 on Windows 7.
Any ideas around this?