If you cannot download Messenger and you get error code 80190194 instead, please retry downloading Messenger later. In this case, the error is server-side and not caused by you.
If the download still fails on the next day, please contact the free support at https://support.live.com/.
Source: http://messengermaximal.spaces.live.com/Blog/cns!40F43EC9BA81D814!9014.entry
i have this error 8001012e…..what can i do about it