Allow only bitmapped wallpaper: registry value NoHTMLWallPaperUserHKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop

Policy ID

sz_DWP_NoHTMLPaper

Scope

User Configuration

Supported on

Windows Server 2003, Windows XP, and Windows 2000 only

Source

Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)

Category

Desktop › Desktop

Registry