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Windows

UCPD.sys – UserChoice Protection Driver Part 2

July 15, 2025 admin 0

In my previous blog post, I explained the functionality of the UCPD.sys driver when it was at version 2.1. Since then, Microsoft has updated the […]

UserChoiceLatest – Microsoft’s new protection for file type associations

April 20, 2025 admin 2

When I wrote the article about UCPD.sys, I had already noticed the references to the UserChoiceLatest registry key, and in earlier versions, even to UserChoicePrevious. […]

UserChoice Protection Driver – UCPD.sys

April 3, 2024 admin 7

UPDATE 05.10.2024: Microsoft has updated UCPD.sys multiple times since my initial blog post. The current version is 3.1, and it blocks the following executables from […]

How to run an .exe only once using Windows GPO’s

January 10, 2018 admin 1

i dont know why, but until today there is no “execute once” option in Microsoft GPO’s – but this is actually often desired, especially on […]

How to run Visio 2016 and Visio Viewer 2016 on the same Machine and set the filetype associations using Groups

December 13, 2017 admin 0

disclaimer this article is not an official Microsoft solution and you must own proper licensing before using it. please consult the licensing conditions for Microsoft […]

GetUserFTA – Display User File Type Associations on Windows 8/10 and Server 2012/2016

December 9, 2017 admin 11

ever since i have created SetUserFTA, i missed a command to display the filetypes (extension and ProgId) that are associated for the current user. using […]

SetDefaultBrowser – Set the Default Browser per command line or script

November 10, 2017 admin 227

UPDATE 05.03.2024 – SetDefaultBrowser will not be maintained anymore. its functionality will be integrated into SetUserFTA 2.0 ATTENTION: if SetDefaultBrowser does not work anymore after […]

SetUserFTA: UserChoice Hash defeated – Set File Type Associations per User or Group on Windows 8/10/11 and 2012/2016/2019/2022

October 25, 2017 admin 320

SetUserFTA has now its own domain: https://setuserfta.com and this page will only remain for historical reasons. SetUserFTA sets User File Type Associations per command line […]

User File Type Association Roaming on Server 2016 with Citrix User Profile Manager

October 14, 2017 admin 12

here we go again with an ongoing issue, that most of my customers have after updating their XenApp environments to Server 2016. recently a customer […]

Temporary Workaround for XenApp published App Internet Explorer FTA Issue on Server 2016

September 1, 2017 admin 1

UPDATE 29.11.2017: THIS WORKAROUND IS NOW OBSOLETE. PROBLEM SOLVED WITH KB4051033: https://support.microsoft.com/en-us/help/4051033/windows-10-update-kb4051033   DISCLAIMER: this is an unofficial workaround and not supported by Microsoft or Citrix. […]

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about the author

Hi - I am Christoph Kolbicz and im IT-Consultant at AXACOM AG in Switzerland. Most of my projects are about Citrix and Microsoft, but i like Security topics and sometimes i do some programming and Reverse Engineering.



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I am Microsoft Certified Solution Expert (including Exchange) and Citrix Certified Expert - Virtualization and Networking. I hold 30 Microsoft MCP and 20+ Citrix CCA certifications - to many to list them here - and i am eidg. Dipl. Inf. HF.

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Categories

  • Citrix
  • iPhone
  • Netscaler
  • Security
  • Uncategorized
  • VMware
  • Windows
  • XenApp

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