Thats weird...
According to MS a RunTime
error 75, is a "Path/File access error"
You really to
find the line of
code it is failing on by clicking on
Debug when it crashes.
Alternatively, step through your code using F8.
Are you using new controls on the form from a non-standard library?
Are you accessing a file in remote location which might suddenly not become available, or a file that might become read only. Are you loading inamges from a location... basically anything that is being read, or pulled in from a local hard disk or networked location...?
HTH
Ger