In this post, we’ll look at the Wndows Update Error Message “0x80243FFE – WU_E_WUCLTUI_UNSUPPORTED_VERSION that is usually displayed when things go wrong during the update process.
Note that this Windows Update error is application for both Windows 10 and Windows 11.
Error Message
0x80243FFE – WU_E_WUCLTUI_UNSUPPORTED_VERSION
Windows Update Error Details
Unsupported version of Windows Update client UI exported functions.