Deployment Manifest or location not trusted

New Member

Hi all,


I am trying to install the Outlook Desktop and I keep running into the attached error.

I have tried all recommended changes (added the URL to trusted sites and made sure that the security level of trusted sites is 0.0), I have disabled my Kaspersky protection. I tried running the install shield as an admin, but still no luck. 


If I enter the URL in my browser it actually downloads the sidekick.vsto file and I can run it, but then it just cannot find the sidekick.dll.manifest file, which seems to be part of the sidekick installation process. 


I have Win 10 x64 and Outlook desktop (Office 365)


Does anyone have a solution?


Thanks a lot,




13-08-2019 17-02-27.jpg13-08-2019 16-08-28.jpg

1 Reply 1
Community Manager

Hi @RightRevenue,


Are you seeing the error message after you've retrieved the download? Have you partnered with your IT team to see if the download is on your computer? 


Additionally, I did want to share the next set of steps in this article if you are still seeing the error message.


Thank you,

Did my post help answer your query? Help the Community by marking it as a solution