PERFORMANCE MONITOR UNABLE TO ADD THESE COUNTERS

When open the Performance Monitor (PerfMon) in Windows, you may found this alert "Unable to add these counters" as below;

 In my situation, I just perform few steps and it's solved my problem.

Steps:
1. Open the command prompt (CMD) with run as Administrator.
2. Go to the path C:\Windows\System32\ 
3. Type this command lodctr /R
4. Done.

Ref. URL: http://support.microsoft.com/kb/300956