Hello PMC,this is my first post and i don't speak english wery well,apologies

Ok,I've got the origina client and also the SpoutCraft client,my favourite.
When I open a map,appears like this (check te outlines of the blocks):


With shaders on:


How can I fix them?It's impossible to play with those errors,they make me an headache D:

Edit*
The second thing (the white borders) appears in Amnesia-TDD too.