When running new version of UltraEdit with heavy CPU usage on your PC, open Task Manager
and activate Processes
tabs. Then from menu View
click on Select Columns
. Activate additional columns like I/O Writes, I/O Reads, I/O Other. Do you see a fast increasing counter in one of this 3 columns for process uedit32.exe?
Yes, use more information tools from SysInternals
. Process Explorer (a full replacement for the task manager), Filemon and Regmon could help you to detect, why UltraEdit needs so much CPU performance.
Another approach is to temporarily remove your UltraEdit configuration and run UltraEdit with default settings. To do this, close all instances of UltraEdit and move all uedit32.* files to a different directory. Normally the uedit32.* files are in your personal user application directory. See topic "INI File Selection and Advanced Settings" in the help of UltraEdit about details, where UltraEdit searches for the ini-file and the other configuration files and so where you have to search for, too.
Have you disallowed write access to the directory where UltraEdit wants to save it's new configurations files after update? The new version updates the menu and toolbar files and adds the new popup menu files at first start.