Rick "Nutcase" Rogers said:
Hi,
You couldn't have installed XP Home over Win2000, that is not a
supported upgrade path. You either did a parallel installation, or
wiped the system and did a clean installation. The only way back is
to format and clean install - same thing would've happened had you
upgraded with WinXP Pro (which is supported), as NT systems do not
support uninstalling the upgrades, they are a one-way ticket.
Quite true. Read
http://www.microsoft.com/windowsxp/home/upgrading/matrix.mspx which
shows Windows XP Home Upgrade will not work if your prior version was
Windows 2000 Pro. Windows XP Home is the crippled version of Windows XP
Pro. Windows XP Home is the migrate path up from the "personal"
versions of Windows 98/ME. Windows 95, released in August 1995, was
probably not included because it got dropped 5 years later which would
have been a year before Windows XP got released in October 2001.
However, it is still possible to install Windows XP Home *over* Windows
2000 Pro *if* the copy of Windows XP Home was a full version (retail or
OEM) rather than an upgrade, or if Windows XP Home Upgrade was an
upgrade from Windows 98/ME and the user opted to reformat the partition
containing Windows 2000. "Over" doesn't tell us anything about whether
or not Windows XP Home was a full or upgrade version. If indeed Windows
XP Home, the full version, was installed "over" Windows 2000 Pro then it
was because the user did a parallel and separate install of Windows XP
Home into another directory or a different partition (so the old files
are over there), or they stepped on the old Windows 2000 Pro partition
by reformatting it (so all the files went bye-bye) and did a new install
of Windows XP Home.
We really don't know what the OP meant by installed "over". I suspect
that the OP wiped the partition by reformatting it and so they wiped all
their data files, too. It also sounds like the OP never created any
backups; otherwise, they would not have posted this question.
--
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