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Windows 7: Troubleshooting with System Update readiness Tool

Troubleshooting with System Update Readiness Tool

Published by Flavius
14 Sep 2010
Published by

Troubleshooting with System Update Readiness Tool

information   Information

Sometimes while using Readiness Tool,the tool stuck or it return following errors

-Readiness Tool is already installed
-error 0x8024800C

and other errors

Note   Note

Sometimes Readiness Tool require about 30 minutes to finish it's job,so please wait patiently before you apply below advices


1.Open task manager (Start>>Search>>taskmgr) and kill CheckSur.exe process.

2.Delete any hexadecimal folder on your partition


Troubleshooting with System Update readiness Tool-csd2.png
Fig 1.Circled red line you can see some hexadecimal folders.Such kind of folders are remains from updates -not only from Readiness Tool

You may have hexadecimal folders on other partition not necessarily on C:

and these folders:


3.Open regedit (Start>>Search>>regedit) and delete these keys:



Component Based Servicing\ApplicabilityEvaluationCache\

Troubleshooting with System Update readiness Tool-csd3.png
Fig 2.Dependce of system architecture and tool version the Package_for_KB947821 key have slightly different form

warning   Warning
  • to delete Package_for_KB947821... first you have takewnership this -useful lecture CLICK

When everything is done,try again run Readiness Tool to diagnose your main problem with your OS.


1.Make sure you have enough free space on your disk.

2.Defrag your registry by using any good tool,I recommend registry defrag tool from Tune Up Utilities (unfortunately this soft is commrcial),from freeware tools I recommend QuickSys regDefrag

3.Uninstall all 3p security software


Make sure you don't have any other system or hardware issues.If you have not empty C:\Windows\Minidump or C:\Windows\Memory.dmp then please analyze these files.Issues with RAM,hdd may also cause problem with running Readiness Tool and with installing normal updates.

20 Sep 2010   #1

Vista Home Premium x86 SP2

Wonderful! Thanks Flavius!
My System SpecsSystem Spec
23 Aug 2015   #2

Windows 7 Home Prem 32 bit

If the UPDATE utility is working correctly is it necessary to run the SUR tool? If not could you take a look at my posting of a problem I am having with the UPDATE utility?

WINDOWS UPDATE does not download update files
My System SpecsSystem Spec

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