Unable to update the Minecraft Native Launcher

Does not update and I do not know why

Native Launcher Version: 34
Operating System: Windows 7 SP1
Application Hash: 175f2b59d63d17f580f664c195ca8bb82666d0eb
Java Version:
x64: 1
Starting download of: https://launchermeta.mojang.com/mc/launcher.json
Created pFile
Content length is 00550478
Got 200 from server
Download successful
Native launcher outdated!
Hash should be 9010a3b83eb5eaf5e0eb6d367effde64419c2a3f
Starting download of: http://launcher.mojang.com/mc/launcher/win/9010a3b83eb5eaf5e0eb6d367effde64419c2a3f/Minecraft.exe
Created pFile
Content length is 0052A790
Got 503 from server
Starting download of: http://launcher.mojang.com/mc/launcher/win/9010a3b83eb5eaf5e0eb6d367effde64419c2a3f/Minecraft.exe
Created pFile
Content length is 042260C0
Got 503 from server
Starting download of: http://launcher.mojang.com/mc/launcher/win/9010a3b83eb5eaf5e0eb6d367effde64419c2a3f/Minecraft.exe
Created pFile
Content length is 042264A8
Got 503 from server
Deleted tmpLauncher.tmp