Technical Wow error 134 Crashes

in some places when walk in city like dalaran or when i in some dungion or anywere else my screen freezes and than i get error 134

World of WarCraft (build 12340)

Exe: D:\5\wotlk\Wrath of the Lich King 3.3.5a\Wow.exe
Time: Aug 19, 2016 9:14:17.938 PM
User: Jonas
Computer: JONAS-PC
------------------------------------------------------------------------------

This application has encountered a critical error:

ERROR #134 (0x85100086) Fatal Condition
Program: D:\5\wotlk\Wrath of the Lich King 3.3.5a\Wow.exe

Failed to read file creature\gorilla\gorilla.m2.

Debug Details:

[3] err=0 text=SFileReadFile - creature\gorilla\gorilla.m2 - Data\patch-2.MPQ
[2] err=0 text=ReadSectors/DecompressData failed
[1] err=0 text=ReadSectors/DecompressData failed
[0] err=5 text=Win32 Read - Data\patch-2.MPQ
Storm Error Msg:Reached the end of the file.

looks like patch-2.mpq is corrupted or can't be read... I think you might be able to get only patch-2.mpq from the torrent download and just replace your original one... of course it would be wise waiting for someone that ACTUALLY knows how to debug wow errors :P