Pdh.dll is a process belonging to the Windows program. This dll file provides functions for logging and hardware counters. The Windows 2000 operating system comes with PDH.dll. Pdh.dll error messages may appear when Windows boots up or shuts down or While installing or opening a certain program without its required dll file. Such pdh.dll errors are mostly caused by missing to corrupting pdh.dll file or having registry error.

Common Pdh.dll Error Messages That Can Pop Up:
- "Cannot Find Pdh.dll"
- "Missing Pdh.dll File"
- "Corrupt Pdh.dll File"
- "Pdh.dll Correct Location"

How to install pdh.dll file?

1. Press Start and select Run
2. Type CMD and press Enter (or if you use Windows ME, type COMMAND)
3. Type regsvr32 pdh.dll and press Enter
4. In the end, you should receive a message saying that your file was successfully installed or uninstalled.