Logic Pro seems prone to those danged overloads. Some think its due to its heritage and code base. If you google you can find lots of stories, and lots of suggested solutions. I have a few plugins in particular that seem to cause problems at times, so I'm cautious with them. HxN is on my list, but its a processor intensive plug in. Omnisphere. Some reverbs. A few tips I can offer that have helped me are:   - keep lots of plug-ins of your main 1/2 channel (use busses instead, then route those t