In the event log, I noticed a few errors for ESENT:

Event type: error
Event source: ESENT
Event category: general
Event ID: 490
Date: 12/03/2010
Time: 23:03:01
User: n/a
Computer: NAUJAS
Svchost (1176) an attempt to open the file "C:\WINDOWS\system32\CatRoot2\{127D0A1D-4EF2-11D1-8608-00C04FC295EE}\catdb" for read / write access failed with the error System 32 (0x00000020): "the process cannot access the file because it is being used by another process.".  The operation to open the file will fail with error - 1032 (0xfffffbf8(JET_errFileAccessDenied)).

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Any ideas what is the cause?


I think I finally discovered the problem with the event ID 490 Source ESENT event. If you have Internet Security of Trend Micro Titanium Maximum they have posted a FIX for this.

Go to http://esupport.trendmicro.com/Pages/I-received-a-lot-of-Error-Event-ID-490-on-Windows-Event-log-after-installing-Titanium.aspx

After installation of this I no longer receive this error. I hope this works for you and anyone else having the same problem.

Tags: Windows

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