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SU0168 Error
(OSR2 Issues)
I am trying to install
Windows 95b (OSR2) over an earlier version of Windows 95. I am getting an
"SU0168" error message that says I already have
an operating system.
Windows 95b (also called OEM Service Release 2
or OSR2) is an "OEM" distribution designed to be installed
only on new systems. Unlike the "upgrade"
releases usually sold in retail outlets, OSR2 is
designed not to upgrade an existing Windows
installation. However, it is possible to
"fool" the setup program into performing an
upgrade.
Warning!
Attempting to upgrade Windows 95 or 95a to OSR2 is risky. I do not
recommend it. You have been warned! If you screw up your system, I
don't want to hear about it. If you feel that you must try this, read
the Computer Clinic's Windows
95 OSR2 FAQ first --
specifically, the section on upgrading
to OSR2. It is a good
discussion of the perils involved in trying
to use OSR2 as an "upgrade" distribution.
There are at least four techniques for doing
an upgrade with an OEM Windows distribution. 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 methods.
Method #1:
Not Recommended |
This technique involves
launching Windows setup from within the current version of Windows, 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 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 files. |
Method #4:
Slick! |
This is
similar to method #3. You don't need to rename
any files but do need an OSR2 "Startup Disk." |
Reference:
Search of Usenet database and user feedback.
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