Hi,
The Event Viewer is designed to help system administrators keep tabs on their computers and troubleshoot problems. If there isn’t a problem with your computer, the errors in here are unlikely to be important.
You can generally ignore all of the errors and warnings that appear in the Event Viewer – assuming your computer is working properly.
Here's is the links to what you need to know about Event 2002, 1017 and****3007 and how to fix it.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs.
Note: This links doesn't apply for Windows 8.1 but holds good for troubleshooting the issue.
Event ID 3007 — Search Indexer Performance Counter Availability
http://technet.microsoft.com/en-us/library/dd364637%28WS.10%29.aspx
Event ID 2002 — Performance Library Availability
http://technet.microsoft.com/en-us/library/cc775094%28v=ws.10%29.aspx
Event ID 1017 — Performance Library Availability
http://technet.microsoft.com/en-us/library/cc727184%28v=ws.10%29.aspx
Hope this information helps.