Event Type: Warning Event Source: PerfDisk Event Category: None Event ID: 2001 Date: 07/01/2010 Time: 21:14:53 User: N/A Computer: JOHN-1053SX0NX2 Description: Unable to read the disk performance information from the system. Disk performance counters must be enabled for at least one physical disk or logical volume in order for these counters to appear. Disk performance counters can be enabled by using the Hardware Device Manager property pages. Status code returned is data DWORD 0. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Data: 0000: aa 05 00 00 Âª... I have been getting this warning message in Event Viewer for the last couple of months it starts at the same time everyday give or take a few miunets when I click on the link I get a page concerning windows Server2003 this also tells me that I donot have this OS surprise surprise.Although I did a search and found 4 dll files that concern itall look to be several years old .I am using Windows XP SP3 and all patches. This event also coincides with me not being able to use the internet. how do I get around this problem?