Check if you properly release all the objects and don't have dangling references.

>Hi Sergey
>
>Good Morning, in an hours time it will be retiring time here. <g>
>
>The C0..05 just happened again same place READ EVENT, but this time I had clicked on the close button of the form. Thinking again the close box may have been the activity I gave it the last time also.
>
>Why the close box and why READ EVENTS?
>
>Any specific info you may need let me know, I am fighting in the dark (may loose electricity soon also, power shortage going on <g>)
>
>>>Hi all
>>>
>>>I had this application running from the IDE. This application was kept running without really operating it with a couple of screens open.
>>>
>>>As soon as I tried to work with this app after the wait it generated a C0..05 error at the line READ EVENTS.
>>>
>>>What went wrong in waiting.
>>
>>Hi Bhavbhuti,
>>
>>Who knows, maybe it's just got borred sitting and doing nothing. :) Seriously, there's not enough info in your post to come to any conclusion, so keep digging.