Dell DDA – Upgrading from Windows 8 to 8.1

Having a problem uninstalling the Dell Data Access Software and upgrading to 8.1?  Here’s some tips –


  • Dell’s recommendation for upgrading from Windows 8 to Windows 8.1  Link
  • If the software does not uninstall properly, run Microsoft’s fix-it to uninstall the program (Link)  you may also run a registry cleaner that can clear the software from your registry.


Our Solution – This may not fit your needs.  Always backup your data.

  • Uninstall the Dell Data Access software  (We had 15 pcs that had remains left after the uninstall
  • Reboot
  • Make sure the software is not listed in the Programs and Features list
  • Navigate to C:\program files and C:\program files (x86)
  • Remove the files under the subfolder ‘Dell’  that are related to the Dell Data Access software
  • If you cannot, open the task manager and click on the details tab.
  • Find the process TDMService.exe, right click and end the process tree
  • Immediately delete the .exes in the above subfolder – you may have to end the process (the process may restart)
  • Delete the files manually (Only the protection files and folders)
  • Run the microsoft fix-it above and/or a registry cleaner
  • Reboot
  • Install Windows 8.1

It seems this is a problem that has many fixes – The above is our fix that worked for us…


Other tips that may help once Windows 8.1 upgrading starts –

Remove 3rd party software

Disable the anti-virus software

Run cleaners and defrag

About TCAT Shelbyville IT Department

The Tennessee College of Applied Technology - is one of 46 institutions in the Tennessee Board of Regents System, the seventh largest system of higher education in the nation. This system comprises six universities, fourteen community colleges, and twenty-six Applied Technology Colleges.
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One Response to Dell DDA – Upgrading from Windows 8 to 8.1

  1. Pingback: GEEK SQUEAKS – Featuring How To Use Your Smartphone As A Document Scanner AND Copier | What's On My PC

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