Microsoft KB Archive/39580

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QuickBasic SETUP Works Only from Logical Disk Drive A or B

Article ID: 39580

Article Last Modified on 11/21/2006


  • Microsoft QuickBasic 4.0
  • Microsoft QuickBASIC 4.0b
  • Microsoft QuickBasic 4.5 for MS-DOS

This article was previously published under Q39580


The SETUP program (SETUP.EXE) is designed to help you copy the QuickBasic files from floppy disks to your hard drive.

The SETUP program (SETUP.EXE) from QuickBasic version 4.50 works correctly ONLY from logical disk drive A or B of your computer. SETUP.EXE does not work correctly when run from any logical disk drive C, D, E, or higher. If you run SETUP on a logical drive other than drive A or B, it is assumed to be a hard disk, and SETUP.EXE will fail.

For QuickBasic version 4.00 or 4.00b, the SETUP program (SETUP.EXE) only works from drive A. SETUP will not work on drive B or higher for version 4.00 or 4.00b.

As an alternative for installing QuickBasic, you can use the MS-DOS COPY command to copy each floppy to the hard disk with the following command:

   copy *.* c:

Note: In the repackaged version 4.50 product, the files are provided in a packed format. After you copy the packed files to your hard disk, you must unpack each file individually using the UNPACK.EXE program. To speed the unpacking, you can write an MS-DOS batch file based upon the PACKING.LST file.


Note: Versions of QuickBasic earlier than version 4.00 do not have a SETUP program.

For a complete description of the repackaged 4.50 version, search for a separate article using the following words:

repackaged and 4.50

Additional query words: QuickBas

Keywords: KB39580