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# FIX: Error C1001 Generated Due to Insufficient Disk Space

Article ID: 107496

Article Last Modified on 7/5/2005

APPLIES TO

- Microsoft Visual C++ 1.0 Professional Edition
- Microsoft Visual C++ 1.5 Professional Edition
- Microsoft Visual C++ 1.0 Professional Edition

This article was previously published under Q107496

## SYMPTOMS

Compiling with insufficient disk may generate the following error message:

       fatal error C1001: INTERNAL COMPILER ERROR
                    (compiler file 'msc1.cpp', line 602)
       Please choose the Technical Support command on the Visual
       Workbench Help menu, or open the Technical Support help file for
       more information.

## CAUSE

Lack of available disk space for the generation of various intermediate, listing, and object files by the compiler causes the above error.

## RESOLUTION

Check for the available disk space when starting the compilation process; it should be large enough for all the intermediate, listing, and object files to be generated by the compiler.

## STATUS

Microsoft has confirmed this to be a problem in the products listed at the beginning of this article. This problem was corrected in Visual C++ version 2.0.

## MORE INFORMATION

For other possible causes of this error, query in the Microsoft Knowledge base on the following:
`C1001 msc1.cpp`

Additional query words: 1.00 1.50 8.00 8.00c

Keywords: kbbug kbfix kbcompiler KB107496