Breen hand texture on GUI

http://cloud-2.steampowered.com/ugc/540680885316916035/95BED059D5203F033723E0658FD12ECF767B3812/

It also can be seen at console texture.
Is anyone also encountering this problem?

Have you tried a clean install of GMod?

Clean reinstall does help. Then later I found out the culprit is MuseX addon.
I didn’t have this issue before last update.