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Windows 7: Adding a partition

22 Aug 2011   #21
Ken Davison

Win7 Ultimate 64bit
 
 

Quote   Quote: Originally Posted by mjf View Post
May still be a long shot but....

W7x32 supports the 16 bit subsystem while W7x64 does not.
I believe the same constraint applies to native XP.
Therefore I suspect W7x64 running xp mode won't support a program requiring the 16 bit subsystem while W7x32 running xp mode would support the 16 bit subsystem.
I think you have cracked it, many thanks.


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22 Aug 2011   #22
CyberZeus

Windows 7 Ultimate x64 SP1 clean install
 
 

As far as I know, Windows XP Mode is always a 32bit XP Professional both in W7x64 and W7x32...
My System SpecsSystem Spec
22 Aug 2011   #23
mjf

Windows 7x64 Home Premium SP1
 
 

Quote   Quote: Originally Posted by CyberZeus View Post
As far as I know, Windows XP Mode is always a 32bit XP Professional both in W7x64 and W7x32...
I think the 16 bit subsystem is part of the the underlying OS that the XP mode emulation is running on. I stand to be corrected on this one though.
My System SpecsSystem Spec
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22 Aug 2011   #24
CyberZeus

Windows 7 Ultimate x64 SP1 clean install
 
 

Quote   Quote: Originally Posted by mjf View Post
Quote   Quote: Originally Posted by CyberZeus View Post
As far as I know, Windows XP Mode is always a 32bit XP Professional both in W7x64 and W7x32...
I think the 16 bit subsystem is part of the the underlying OS that the XP mode emulation is running on. I stand to be corrected on this one though.
XP mode is a Windows XP Professional 32-bit. So, XP mode owns its 16 bit subsystem.
Using Windows Virtual PC to run 16-bit applications on 64-bit Windows - Virtual PC Guy's Blog - Site Home - MSDN Blogs
My System SpecsSystem Spec
22 Aug 2011   #25
mjf

Windows 7x64 Home Premium SP1
 
 

Quote   Quote: Originally Posted by CyberZeus View Post
Quote   Quote: Originally Posted by mjf View Post
Quote   Quote: Originally Posted by CyberZeus View Post
As far as I know, Windows XP Mode is always a 32bit XP Professional both in W7x64 and W7x32...
I think the 16 bit subsystem is part of the the underlying OS that the XP mode emulation is running on. I stand to be corrected on this one though.
XP mode is a Windows XP Professional 32-bit. So, XP mode owns its 16 bit subsystem.
Using Windows Virtual PC to run 16-bit applications on 64-bit Windows - Virtual PC Guy's Blog - Site Home - MSDN Blogs
This doesn't prove to me that XP mode under Windows x64 owns its 16 bit subsystem. It says you can get success with some 16 bit apps by running virtual PC.
Likewise VMware can be successful with some 16 bit apps- see here
Is Windows 7 able to run 16 bit installers under XP mode? - Microsoft Answers
So it suggests to me that it is Virtual PC or VMware that is providing the subsystem capability.

XP mode alone under Wx64 won't run many peoples 16 bit apps whereas Wx32 will. The OP himself has this experience as do others.

So OP you may want to try Virtual PC or VMware.
I'm reporting what I read, Virtualization experts (and I'm not one of them) may want to chip in.

Unless the software is not supported anymore upgrading avoids these problems and is bound to give you better performance.
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 Adding a partition




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