Thanks

>Framework...
>
>>I can only understand the top of your message. Answers:
>>Yes, the error happens only on a client PC, not on my PC.
>>I don't know if user input is possible or not. They never tell me the facts.
>>What is 'fwk'?
>>
>>>Not enough info!
>>>Guessing:
>>>a) error crops up only clientside, not at your machine
>>>b) happens before user input is possible
>>>
>>>basically you should have a logging fwk IAC, which answers this (and timing problems)
>>>none exists, and b) is true or error happens with minimal user input,
>>>create a version starting with coverage set to a file you can analyze
>>>if you have stack in errorhandler, better start coverage at a time "in stack" guaranteed to run,
>>>cutting off MB of unneeded coverage log - typical "switch" for me is existance of a flag file.
>>>
>>>HTH
>>>thomas
>>>
>>>>
>>>>I read (again and again) all the messages regarding this problem (in threads I posted before). I also viewed the screen images (my error handler saves the screen image at the time of the error) at the time of the errors. And the images show one of the form (very complicated form) with the PageFrame.Page container showing the page with a Grid.
>>>>Note that the error message of this error is caught by the Start() method (the method which calls READ EVENTS and then closes the application.
>>>>So, I am convinced that the error is caused by some Thisform.referesh() or another call in this form, when something "odd" happens in the grid.
>>>>My question. What type of code do you suggest I add to this form and where to, hopefully, catch this error?
>>>>
>>>>TIA