the kolbicz blog

technical geek stuff

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 […]

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 […]

ProgIDTool – display, copy, delete, export, rename, duplicate and register File Type ProgID’s

June 5, 2024 admin 0

Since I have released SetUserFTA, many users struggled to find the correct ProgID to associate with an extension or a protocol. Windows offers ftype.exe, which […]

RegPortBro – Register Portable Browser

May 31, 2024 admin 0

some years ago i have published an article about how to register a portable browser on windows an make it the default browser. you can […]

Extract, Backup and Restore Google Authenticator Keys on iOS (Migrate Accounts) – Jailbreak required

November 16, 2020 admin 0

everyone who changes mobile phones often like me, probably faced the issue that not really all settings are being migrated to a new phone. even […]

SOLVED: Citrix Published App staying in Foreground (Adobe InCopy)

March 28, 2019 admin 6

disclaimer: this is not an official solution and probably not even legal. this blogpost is for educational purposes only! if you are working with Citrix […]

Register a portable browser and make it the default

January 27, 2019 admin 7

INFORMATION: Please note that this article is obsolete, because I have created a tool that can automate this process: https://kolbi.cz/blog/2024/05/31/regportbro-register-portable-browser/ i promised, that i will […]

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 […]

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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.

Donations: - thanks!

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Categories

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

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