K-Lite 10.x Setup for POSM with Windows XP

Open the Codec Tweak Tool
Click on Configuration -> Direct Show Filters Edit the ffdshow video decoder (x86) decoder Under Codecs Change MJPEG to Libavocdec

Press Apply then Close
Under LAV Video decoder (x86) Click on Formats Tab
Select all checkboxes except MJPEG

Press Apply then Close
Close the DirectShow Filter Configuration
Exit the Codec Tweak Tool
Reboot the computer