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Error "not a valid Win32 application" when installing TweakUI

Published: Sep 08, 2006
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Symptom

When you try to install TweakUI PowerToy, you may receive the following error message:

TweakUIPowertoySetup_ia64.exe is not a valid Win32 application

Cause

This happens if you're trying to install the Itanium 64 bit version of TweakUI in a 32-bit system.

Resolution

Download the correct version of TweakUI. The direct download links (for 32 bit systems) are given below:

Version 2.00 Version 2.10

Tweak UI Version 2.10 requires Windows XP Service Pack 1 (or higher) or Windows Server 2003. If you have a Windows XP system without any Service Packs installed, download Version 2.00.

Related links

Microsoft PowerToys for Windows XP

TweakUI related pages in this site

HOW TO: Determine Whether Your Computer Is Running a 32-Bit Version or 64-Bit Version of Windows XP