Error Resolution: Windows Vista Hotfix Now Available An update for Windows Vista that resolves this issue is now available. This hotfix can be applied to all language versions of Windows Vista. For convenience, updates for both 64-bit and 32-bit architectures of Windows Vista can be downloaded together in one zipped file.
Download the Windows Vista End User Software License Terms update .zip 1.7 MB.
After downloading the update above, unzip the file to obtain the 2 separate Windows Vista updates for 64-bit and 32-bit architectures. To add this update to an existing image of Windows Vista in an unattended manner, include the /quiet /norestart switches similar to the following example for 32-bit systems:
Windows6.0-KB931969-x86.msu /quiet /norestart
See the Microsoft Knowledge Base article associated with this update.