The information in this article applies to:
- Microsoft FORTRAN for MS-DOS, versions 4.0, 4.01, 4.1, 5.0, 5.1
- Microsoft FORTRAN for OS/2, versions 4.0, 4.01, 4.1, 5.0, 5.1
SYMPTOMS
An attempt to compile an application fails and the compiler generates one
of the following messages. In FORTRAN version 5.1:
Command line error D2027 : cannot execute
'C:\FORTRAN\BINB\f1.exe'
In FORTRAN version 5.0:
Command line error D2027:could not execute
'C:\FORTRAN\BINB\f1.exe'
In FORTRAN versions 4.0, 4.01, and 4.1:
Command line fatal error D1001 : could not execute
'C:\FORTRAN\BINB\f1.exe'
CAUSE
These errors occur under the following four conditions:
- The system cannot find the F1.EXE file. This condition can be
caused by a terminate-and-stay-resident (TSR) program that
alters the setting of the PATH environment variable.
-or-
- Insufficient memory is available. If you are running PWBED.EXE
instead of PWB.COM, it is possible that there is not enough
memory left to build the application.
-or-
- The EXE file is corrupt or it has an illegal EXE file format.
-or-
- The installed version of MS-DOS and the COMMAND.COM file are
incompatible. If the MS-DOS and COMMAND.COM version numbers are
identical, the compiler may not successfully open the
intermediate file in the TMP directory.
RESOLUTION
The corresponding techniques to address the four conditions above
are as follows:
- Modify your AUTOEXEC.BAT file (CONFIG.SYS file in OS/2) to
remove as many TSR programs and special device drivers as
possible.
- Use the MEM command to check available memory. FORTRAN requires
at least 320K memory free (512K recommended).
- If the F1.EXE program is corrupted, make a fresh copy from the
distribution disks.
- If the VER.EXE utility and COMMAND.COM do not report identical
version numbers and manufacturers, reinstall the operating
system or obtain the correct version of COMMAND.COM.
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