MIRROR: Unrecognized DOS INT 25h/26h Handler (74828)
The information in this article applies to:
• Microsoft MS-DOS operating system 5.0
This article was previously published under Q74828
After installing Microsoft MS-DOS 5 Upgrade you may receive the following
error message when you start your computer:
Resident Delete Tracker.
WARNING! Unrecognized DOS INT 25h/26h handler. Some other
TSR programs may behave erratically while delete-tracking is
resident! Try installing Mirror BEFORE your other TSRs.
This problem occurs when PC Tools and MIRROR are installed with MIRROR
included in your AUTOEXEC.BAT file.
This problem can occur when the DOS subdirectory is positioned after the
PCTOOLS subdirectory in the PATH when you are still using PC Tools Deluxe
version 6. To correct the problem, modify the PATH statement so that the
DOS subdirectory comes before the PCTOOLS subdirectory. This order causes
the MS-DOS 5.0 MIRROR (rather than PC Tools MIRROR) to load when you start
The product included here, PC Tools, is manufactured by vendors independent
of Microsoft; we make no warranty, implied or otherwise, regarding this
product's performance or reliability.
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