Hello, I take this post to not open another, I also have this problem and this is the log of autoupdate.
=== Log opened UTC 2015-10-02 07:31:32
INFO : DCS_Updater/2.5.2.1 (Windows NT 6.1.7601; Win64; es-ES)
INFO : cmdline: "C:\Program Files\Eagle Dynamics\DCS World OpenBeta\bin\DCS_updater.exe" --apply update C:\Users\Bogart\AppData\Local\Temp\DCS.openbeta\update_info.json 1.5.0.45166.36
STATUS: Initializing...
INFO : basedir: C:\Program Files\Eagle Dynamics\DCS World OpenBeta\
INFO : dcs_variant.txt: openbeta
INFO : DCS/ (x86_64; ES; WORLD)
INFO : branch: openbeta
STATUS: Verifying cached version info...
STATUS: Verifying installed files...
INFO : 0 files are changed or missing.
STATUS: Preparing download...
STATUS: Searching for already downloaded files...
INFO : Local source: C:\Program Files\Eagle Dynamics\DCS World
INFO : To copy from local: 1260974067 bytes in 30 files
STATUS: Copying files from C:\Program Files\Eagle Dynamics\DCS World
INFO : Copied 0 bytes in 0 files
INFO : To download: 1260974067 bytes in 30 files
STATUS: Downloading update...
INFO : Using CDN-style download.
ERROR: size mismatch: got only 15725822 out of 16856331 bytes for Mods/aircraft/Su-25T/Missions/EN/Training/13- Su-25T Vikhr Laser Guided Missile and Mercury Pod.miz
ERROR: size mismatch: got only 15725822 out of 16856331 bytes for Mods/aircraft/Su-25T/Missions/EN/Training/13- Su-25T Vikhr Laser Guided Missile and Mercury Pod.miz
ERROR: size mismatch: got only 15725822 out of 16856331 bytes for Mods/aircraft/Su-25T/Missions/EN/Training/13- Su-25T Vikhr Laser Guided Missile and Mercury Pod.miz
ERROR: 3 connection fails
ERROR: Server capacity may be limited at the moment. Please, try again later.
=== Log closed.