The pitch shifting of the G-Major is primarily a monophonic pitcher, meaning that, large shifts will not sound natural when playing chords. For this reason, using the pitch as a "fake" capo emulation is not recommended.
You may also find the sound mixed with the input signal, this is most likely a routing issue.. The Routing called "Parallel" will place the pitch block in parallel with the Chorus, Delay and Reverb block; this means that if any of these three blocks are passing dry signal, that will also influence the Pitch signal. In order to avoid this, please select one the remaining two routings; i.e. "Serial" or "Semi Parallel".