On a Windows Vista or Windows 7 , you click the Resource Monitor button. Then, the Performance Monitor (Perfmon.exe) process may continuously start and stop. Additionally, Windows Vista may stop responding.
Note You click the Resource Monitor button to display the utilization details for the CPU, for memory, for the disk, and for the network.
Steps to reproduce the problem
- You log on to a Windows Vista-based computer by using an account that has administrator credentials.
- You disable the User Account Control (UAC) feature.
- You log on to the Windows Vista-based computer on which UAC has been disabled. Additionally, you use an account that does not have administrator credentials.
- On the Performance tab of the Windows Task Manager dialog box, you click the Resource Monitor button.
PerfMon is a Performance Monitor application that will cause high CPU utilization.
To check if there is a scheduled PerfMon task
type Perfmon in the search box
Expand Data Collector Sets
Expand User Defined
If there is a data Collection Set in the User Defined
Check the properties of it to see when it’s scheduled