AV error

edited 2:30PM in FastReport 4.0
Hello,
I have small application (db grid with list of items) user double click on the grid row the report shows below the bdgrid with fastreport view component,
try
frxReport1.PreviewPages.LoadFromFile('c:\myreport.fp3');
frxReport1.ShowPreparedReport;
except end;
However, some users clicks aggressively and fast, the reports get access violation error.
Any idea to avoid this error. Thank you

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