WPF Performance Fix for Windows Vista and XP - gHacks Tech News

WPF Performance Fix for Windows Vista and XP

Microsoft released a hotfix a few days ago that is fixing a problem that affected some Windows Vista and Windows XP systems. the knowledge base articles Performance for a WPF-based program that uses the layered windows feature may be less than expected in Windows Vista and Performance is poor in a WPF-based application in which you have enabled layered windows in Windows XP or in Windows Server 2003 are unfortunately offering only a mediocre explanation.

My understanding is that the hotfix fixes a problem with .net applications that see high CPU usage, low framerates or jittery animations among other symptoms. The hotfix addresses the Layered Window performance. In Windows Vista the the hotfix improves the read-back of video memory to system memory while layered Windows were rendered in software emulation in Windows XP which will now use hardware acceleration to improve performance.

The hotfixes can be downloaded from Microsoft directly and require a genuine system. Click to download the hotfix for Windows Vista or Windows XP. Users who did not experience difficulties yet are asked to wait until the Service Pack 1 for Vista and the Service Pack 3 for Windows XP are released. The Service Packs will contain the hotfix.


We need your help

Advertising revenue is falling fast across the Internet, and independently-run sites like Ghacks are hit hardest by it. The advertising model in its current form is coming to an end, and we have to find other ways to continue operating this site.

We are committed to keeping our content free and independent, which means no paywalls, no sponsored posts, no annoying ad formats or subscription fees.

If you like our content, and would like to help, please consider making a contribution:

Previous Post: «
Next Post: »


  1. gnome said on January 30, 2008 at 1:47 am

    I think it really did something good with my father’s Vista notebook. Lovely. Thanks!

Leave a Reply

Check the box to consent to your data being stored in line with the guidelines set out in our privacy policy

Please note that your comment may not appear immediately after you post it.