A common error with Windows Vista is the error that Windows Calendar has stopped working. In fact, this is quite easy to solve. There are people who say that the problem can be solved by enabling and disabling User Account Protection. In fact, there’s a much easier method: go to Windows Calendar, create a new calendar and remove the old one. Now, when you execute C:\Program Files\Windows Calendar\wincal.exe /reminder, you don’t get an error.

This post earlier appeared in Dutch on my previous weblog.