I can't update any patch of MW4.
 

When i run patch , it has an error that
"Error code descriptions can be found inthe file "M??? readme.rtf"
0036
Unable to complete patch
And another problem is I want to know what is "artpclnt.dll"
Thank you in advanced.

I had many problems too, actually with all the patches....email me man, there are many solutions and depends on versions and langauges etc...