Restart your Windows PC and then try using the MSINFO32.exe tool. This will kill all extra processes and reset any corrupt files or temporary settings that may be preventing the tool from running ...
To open and view the System Information panel in Windows 11/10, you can use any of the following ways: You can also open the elevated System Information panel by clicking on the Run as administrator ...
In Windows 2000 I really liked being able to open a "Computer Management" window & connect to another computer on the Network to check its "System Information"; what processor, how much RAM, sp level, ...