File list (Check if you may need any files):
MyGame\bin\x86\Debug\Content\background.xnb
......\...\...\.....\.......\cannonball.xnb
......\...\...\.....\.......\enemy.xnb
......\...\...\.....\.......\my\cannon.xnb
......\...\...\.....\MyGame.exe
......\...\...\.....\MyGame.pdb
......\Content\background.png
......\.......\cannonball.png
......\.......\Content.contentproj
......\.......\Content.contentproj.user
......\.......\enemy.png
......\.......\my\cannon.png
......\.......\obj\x86\Debug\Content.contentproj.FileListAbsolute.txt
......\.......\...\...\.....\ContentPipeline.xml
......\.......\...\...\.....\ResolveAssemblyReference.cache
......\Game.ico
......\Game1.cs
......\MyGame.csproj
......\MyGame.csproj.Debug.cachefile
......\MyGame.csproj.user
......\obj\x86\Debug\cachefile-cb3d20eb-0e8c-4050-b31d-9438d2b637c4-targetpath.txt
......\...\...\.....\Microsoft.Xna.Framework.RuntimeProfile.txt
......\...\...\.....\MyGame.csproj.FileListAbsolute.txt
......\...\...\.....\MyGame.exe
......\...\...\.....\MyGame.pdb
......\Program.cs
......\...perties\AssemblyInfo.cs
MyGame.sln
......\bin\x86\Debug\Content\my
......\Content\obj\x86\Debug\TempPE
......\.......\...\...\Release\TempPE
......\bin\x86\Debug\Content
......\Content\bin\x86\Debug
......\.......\...\...\Release
......\.......\obj\x86\Debug
......\.......\...\...\Release
......\obj\x86\Debug\Refactor
......\...\...\.....\TempPE
......\...\...\Release\TempPE
......\bin\x86\Debug
......\...\...\Release
......\Content\bin\x86
......\.......\obj\x86
......\obj\x86\Debug
......\...\...\Release
......\bin\x86
......\Content\bin
......\.......\my
......\.......\obj
......\obj\x86
......\bin
......\Content
......\obj
......\Properties
MyGame