Why is my CPU usage maxing out while I am running CM1?

If you are running an anti-virus software on your machine and have configured the software to scan all your files, then you are likely to encounter a spike in the CPU usage and delayed performance. In order to solve this issue you should either completely turn off your anti-virus software while operating CM1, or, if you are uncomfortable doing so, you should configure the anti-virus software to only scan files that are read and not written.