selecting between PERFORMANCE issues

Avast offers to RESOLVE ALL Performance issues after a scan, but there are some I do not want changed. How can I select less than ALL ?

You need to click on Resolve All to get to the next step where you can make selections.
See if this helps: https://youtu.be/PR3IeQqzYSE?list=PL1_9cbkt8g20reye3bQWDLSqTNWMOTvQs