Why event log corrupt

Hi
In my computer the registy item for application event log size is set to zero(it should be minimum 64kb). i have seen that the file size of the appevent is 64kb.
and when i open the event viewer some time i observe event log corrupt. and all the events will be lost.

can you please explain the reason why it corrupts. is it anyway related to event log size.

thanks in advance
Paila
[414 byte] By [paila_12] at [2007-11-19 10:24:21]