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SU0168 Error
(Upgrading Win3.1x)
I am trying to install
Windows 95 (or 98 or ME) over Windows 3.1. I am getting an
"SU0168" error message that says I already have
an operating system.
This article
discusses upgrading from Windows 3.1x to Windows 9x/ME. If you
are upgrading a different version of Windows, you are in the
wrong place!
If you are upgrading from
Windows 95 or 95a to Windows 95b (OSR2) go to:
SU0168
Error (OSR2 Issues)
It is very important that
you read this article!
If you are upgrading over
an older version of Windows 95 with Windows 95a or Windows 98
or Windows ME,
see:
SU0168
Error (Upgrading Over Win95) |
You've
probably acquired a "full" or "OEM"
Windows distribution. Unlike the "upgrade"
release usually sold in retail outlets, this version is
designed not to upgrade an existing Windows 3.1x
installation to Windows 9x/ME. However, it is possible to
"fool" the setup program into performing an
upgrade. There are at least four techniques purported to
accomplish this. I've summarized them below. Click on the
links to obtain the full description.
Note!
Based on user feedback, method #3
works best. Method #4
also works and is handy under special circumstances. Unless you are
just curious, don't bother trying the other techniques.
Method #1:
Not Recommended |
This technique involves
launching Windows 9x/ME setup from within Windows
3.1x, interrupting installation after the dialog
that generates the "SU0168" error,
editing one of the temporary configuration files
and then restarting the process. |
Method #2:
Not Recommended |
This
approach is similar to method #1, but interrupts
Windows 9x/ME setup at a different point. |
Method #3:
Best! |
This is by
far the simplest approach and is the one most likely to succeed. It
avoids the "SU0168" error message by
renaming certain Windows 3.1x files. |
Method #4:
Slick! |
This is
similar to method #3. You don't need to rename
any files but do need a Windows 9x/ME "Startup
Disk." |
Reference:
Search of Usenet database and user feedback.
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