Recently my Visual Studio 2013 stopped responding to keyboard input. I couldn\'t type anything in any of the files. I suspended ReSharper and It worked again but I would really
Clean the following folder with ReSharper caches C:\Users\{User Name}\AppData\Local\JetBrains\ReSharper\v8.2\SolutionCaches\
C:\Users\{User Name}\AppData\Local\JetBrains\ReSharper\v8.2\SolutionCaches\
[Update] For R# 9.x/10.x: %LocalAppData%\JetBrains\Transient\ReSharperPlatformVs{VS version}\v0{some digit depends on R# version}
%LocalAppData%\JetBrains\Transient\ReSharperPlatformVs{VS version}\v0{some digit depends on R# version}