04-25-2020 07:54 AM
One of the most common reasons for a slow computer is programs running in the background. Remove or disable any TSRs and startup programs that automatically start each time the computer boots. To see what programs are running in the background and how much memory and CPU they are using, open Task Manager.
04-28-2020 08:33 AM
The problem can be in a number of places so it might help looking at the error logs. Here is a very good guide on how to trace crashing programs and the causes. Not ACT specific but can be very useful guide.