laptop is slow at the point of being unusable

In short, my Dell Latitude E4310 laptop is slow at the point of being unusable. I am also unable to keep the Windows Defender service runs.

Last week I got a screen blue error (code c000021a), probably as a result of an update Windows misapplied. I was able to go back to a previous instance of Windows and apply the patches successfully.

Here is what I checked / done (not necessarily in that order).

  • My BIOS is the most recent (A11) and BIOS diagnostics to come clean.
  • Several analyses of virus & malware in safe mode came up clean.
  • No problem in Windows Startup Repair.
  • I ran a clean boot without result
    The plan of power seems normal and I uninsalled (temporarily) all anti-virus & malware programs.
  • I ran disk cleanup and defragged the hard drive
  • System, advanced, performance, is assigned to the properties 'adjust for best performance ".
  • My performance index Windows scores range from 6.9 (processor) to 4.1 (graphics).
  • Running a Windows system health report returns nothing.
  • CHKDSK (right click on c:, properties, tools, error checking) did find and fix HARD drive errors. I would fix the CHKDSK and WININIT, newspapers but must be either in my or Admininstrator event logs.
  • I ran SFC. EXE, three times, and each time check fails, then only reach 10%, indicating the following: "Windows Resource Protection could not perform the requested operation."

The journal of SFC seems normal except for the following: 2012-09-07 22:30:28, Info CSI 00000023 [SR] could not check component of b10e9bd0c69db5027b503ea3749c28f3 files, Version = 6.1.7600.16820, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), the Culture neutral, VersionScope is 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, neutral, TypeName neutral, clear PublicKey is damaged (FALSE). I can't find a file or folder anywhwere on my system called "b10e9bd0c69db5027b503ea3749c28f3".

Another forum suggested a clean installation of the factory OEM of Windows.  I would like confirmation or other ideas, because that doesn't seem to be a trivial process.

Thank you.  -Mark

Create/use the bootable utility check disk provided by your manufacturer of HD.

Also free www.memtest.org bootable, run for at least 1 hour or xx passes

Tags: Windows

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