vSphere client: Error 1406. Could not write value Productlanguage to key …

Got this nice notification trying to install the vSphere Client 4.1 on Server 2008 R2.

To fix this, you have to delete the following Registry key:


And press retry. The Sphere Client 4.1 setup will finish without errors.

ICT-Freak.nl  pointed me in the right direction !


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  1. I had the same problem with a Windows 7 Pro 64-Bit system and the vSphere Client 4.1. I searched many hours in the internet for a solution. This site helped me. Thank you very much!

  2. Very usefull, but in my case the VMware, Inc. was directly in Software.

    Thank you very much.

  3. Worked like a charm! Thanks!

  4. I’ve got the same problem with Windows 7 and the vSphere client 5.
    The solution you provided worked like a charm!
    Deleting the registry key, no matter where it is located, either in Wow6432Node or directly in Software, this is the remedy.

    Thank you very much.

  5. Thanks a lot!!

  6. Many thanks for that!

  7. Thank you, i was the solution for me

  8. verified to work on Server 2012 as well. Once key was removed, install completed. Thanks!

  9. Verified to work on 2012 R2 as well. Thanks a million.

  10. Many many thanks:)

  1. Pingback: vSphere Client Install error 1406 | Brain Dump from Matthew

  2. Pingback: How To Fix Vmware Error 1406 in Windows

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