In a mixed environment - mixed between x64 and x86, either Vista or WinXP or
both - the new "Program Files (x86)" might be causing some confusion.
Possible serious confusion! Caused by Microsoft. :>(
Why couldn't they have simply used a new folder called "Program Files (x64)"
for new 64-bit applications? Then we could have continued to use the old PF
for 32-bit programs, in both x64 and x86 versions of Windows. But, no, they
decided that new 64-bit apps would use the familiar Program Files in x64
systems, and that 32-bit programs would be relegated to the new "Program
That created some confusion in pure-x64 systems. I saw no explanation of
this change when I first installed WinXP x64 about 3 years ago, and I
assumed that, since the new folder first appeared in WinXP x64 that it
should be used for 64-bit apps. It was several months before I learned what
"x86" meant, and by that time, I had installed several 32-bit programs into
that new folder. :>(
I've been dual-booting since Win95/NT4. To make it easy (or at least
possible) to share apps between the two operating systems, I installed all
apps into a "neutral" drive that did not have any OS installed on it: my
Drive E:. So MS Office was installed by Win95 into E:\Program Files; WinNT4
also installed MS Office into the same E:\Program Files. I could boot into
either OS and run the same apps, with the same user preferences, on the same
Now, though, dual-booting between 32-bit and 64-bit WinXP/Vista is a pain!
Vista x86 expects Office to be in E:\PF. Vista x64 expects it to be in
E:\PFx86, since Office is still 32-bit only. I can, of course, have Vista
x64 install Office into PF, but I'm not sure what DLLs and related support
files it installs along with the main executable. I've been told that there
IS a difference, and that's why it's important to use the PFx86 folder for
So far as I can tell, this is not a problem with mixed WinXP Pro/Vista x86
(32-bit only) environments (and probably not with WinXP x64/Vista x64
environments). But it can be a serious problem in mixed x86/x64
environments with either WinXP or Vista or both.
R. C. White, CPA
San Marcos, TX
Microsoft Windows MVP
(Running Windows Live Mail beta 2 in Vista Ultimate x64 SP1 beta v.275)
"Ciegalo" <firstname.lastname@example.org> wrote in message
> Dear all,
> I've recently switched to Vista in my company, yet all of my
> colleagues remain on XP. I'm having quite a lot of troubles with
> automatic file versions. For instance, we are sharing an excel file
> that is used as database for a fusion in Word. It used to work
> perfectly until I realise that Word "sees" an old version of the Excel
> file, without my latest additions.
> I've had similar troubles with ini files that I edit (enven as admin)
> and that my software "does not see".
> Any idea how to disable this function ? I'm on Win Vista Pro (French)
> + Office 07. Probably not "full admin"...
> Thanks in advance for your help...