Problem : using breakpoints with Micrsoft Visual C++ 4.2

Context : Windows NT 3.51

Network : FILE SERVER NOVELL 3.12

I can't include Breakpoints in my source code.
Either Visual ignores the breakpoints i set,
or displays the following message :

"One or more breakpoints cannot be set and have been disabled.
Execution will stop at the beginning of the programm."

I would like to know how to insert successfully
breakpoints into my programm.

Remark : I have tried unsuccessfully the solutions described in
Microsoft
help solving the 11 possible reasons why trouble should occur with
breakpoints.

Thanks

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