Error: "An error occurred attempting to install P6Professoinal" When Attempting to Install P6 Professional Using ClickOnce

(Doc ID 2356767.1)

Last updated on FEBRUARY 08, 2018

Applies to:

Primavera P6 Enterprise Project Portfolio Management Cloud Service - Version and later
Information in this document applies to any platform.


When attempting to access the P6 Professional Click once client install, the following error occurs:

"An error occurred attempting to install P6Professoinal"

The log file displays the following error:

URLDownloadToCacheFile failed with HRESULT '-2146697191'
Error: An error occurred trying to download ''.

The issue can be reproduced at will with the following steps:

  1. Log into the production environment's cloud portal
  2. Click the 'Install' link


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