You may reinstall the latest ReSharper 8 EAP and, if you have VS2013 Preview installed, ReSharper will integrate into it automatically (even without the checkbox present in the installer). Link is: http://confluence.jetbrains.com/display/ReSharper/ReSharper+8+EAP
8.0.9.1171 does not work with Visual Studio 2013 at this point.
Hi Klaus and Colin,
You may reinstall the latest ReSharper 8 EAP and, if you have VS2013 Preview installed, ReSharper will integrate into it automatically (even without the checkbox present in the installer).
Link is: http://confluence.jetbrains.com/display/ReSharper/ReSharper+8+EAP
Thanks.