Peter Halasz

I have the very same issue here. Nativelog:
Set run directory to D:\Minecraft
Native Launcher Version: 1157
Operating System: Windows 7 Enterprise
Application Hash: 59395b36c0dc80a005337acec4c407dd57dfe389
Application Data directory: C:\Users\John\AppData\Roaming/.minecraft
Executable Path: MinecraftLauncher.exe
App Directory dir: D:\Minecraft
Start dir: C:/Users/John/AppData/Roaming/.minecraft
Launcher dir: D:/Minecraft/game
TmpDir dir: D:/Minecraft/tmp
(Optional) Java Launcher hash:
Java Version: 1.8.0_25
x64: 1
LauncherConfiguration from: http://launchermeta.mojang.com/mc/launcher.json
Downloaded config
Native launcher is current
Native launcher is current
Loaded upgrade id: 4189441004
Using new launcher as we're in the rollout!
Launcher library is up to date with hash 7cb412e4765071f4a084fc2252538c01ee80b563
Check to see if we can run the launcher
Native launcher is current
Starting launcher.dll with d:\Minecraft\runtime\jre-x64\1.8.0_25\bin\javaw.exe
Found SetDllDirectoryW in kernel32.dll!
Added D:\Minecraft\game to DLL search path
Running launcher!
Launcher ended with 0
her.dll on child subprocess: 183
Couldn't open launcher.dll on child subprocess: 183