Official maps or official servers? Cause I tried every map active duty map before and after changing cl_forcepreload to 0 and after changing I could actually load the map without it crashing.
Also, if you, instead of trying to help someone, start insulting people based on their nationality, you're dumber than the person you're insulting. And, Porto isn't the same as Portugal. Porto is a city, so get your facts right before making assumptions.