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SysOp's Arsenal 1 (Arsenal Computer).ISO
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ms-bug.txt
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1994-12-11
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MS-DOS 6.22 has a trojan in its MEMMAKER program.
It rewrites your hard drive's boot sector.
This causes no problems if you are using MircoSoft DOS 'only'.
But if you are using a Boot Manager, like OS/2's Boot Manager,
it causes you to by pass the Boot Manager and on;y DOS. As if
you had never installed OS/2.
I have used other memory Optimizers in the past, like
Quarterdeck's QEMM 6.0, without it ever touching the boot sector.
Including Optimizing a DOS boot after installing OS/2 and its'
Boot Manager.
I believe that Mircosoft has done this as an unregister feature
Just to make those new to OS/2 not want to use it and to give them
problems just because they have bought an non-Mircosoft OS.
I found this out from a man at work who traced this problem down
when he installed OS/2 3.0 Warp and then booted DOS and ran
MEMMAKER.
It maybe in all the 6.xx versions of Ms-DOS, I don't know. But
if this happens to you Boot off your first 2 OS/2 installed disks.
When the Installation screen comes up and ask you to press enter
or Esc, press the Esc key. That you drop down to the a:> prompt.
find the FDISK program on floppy or the CD-ROM (Depends on if you
got the floppy or CD-ROM version of OS/2). Run FDISK and make the
Boot Manager active, re-install it if you have to. Then you can
Boot OS/2 of dos as you wish. There should be no hassles after
that, unless you run MEMMAKER again.