If you are experiencing technical issues with installing Borderlands 2 or within the game, please complete the following:

First, please verify the GCF for this game as outlined here:

• Verifying Game Cache Files (GCF)

Note: Files may fail to verify. This is normal and can be ignored.

Then test the issue.

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If you still have difficulty, you may also need to manually run secondary installers required by this game.

Exit Steam entirely.

Browse to your Borderlands 2 installation folder (Usually C:\Program files\Steam\Steamapps\common\Borderlands 2\)

Run the following installers:

...\Steamapps\common\Borderlands 2\Binaries\Redist\DXRedistCutdown\DXSETUP.exe
...\Steamapps\common\Borderlands 2\Binaries\Redist\vcredist_2005_x86.exe
...\Steamapps\common\Borderlands 2\Binaries\Redist\vcredist_2005_atl_x86.exe
...\Steamapps\common\Borderlands 2\Binaries\Redist\vcredist_x86.exe.exe
...\Steamapps\common\Borderlands 2\Binaries\Redist\dotNetFx40_Client_x86_x64.exe

Reboot your computer and test the issue again.

If the issues persist, please see the following FAQs:

• This game is currently unavailable
  
• Games do not run after 'Preparing to Launch'

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If you continue to experience technical issues with Borderlands 2, please contact 2K Support. Steam Support is unable to provide technical support for 3rd party games.

• Click Here for 2K Support[support.2k.com]