Users around the world this morning were dismayed to find Daylite crashing shortly after launch. Although coming right on the heels of a major update to Daylite, the crash was affecting all versions of Daylite. Marketcircle immediately investigated and quickly (within two hours) released an update to fix the issue.

Turns out that the problem is related to subscribed calendars; specifically, Apple changed the information returned for a subscribed iCloud calendar. Apple bug? Possibly. Everyone is urged to download version 4.3.1, which solves the problem, from the Marketcircle website.

(Once again, here’s a good reason to use the website version rather than the Mac App Store version—it may be several days or more before an update is available from the MAS.)

If you’re unable to update to 4.3.1, you can solve the problem temporarily by disconnecting from the Internet (to keep the calendar from updating), launching Daylite, and removing the subscribed calendar(s).