# file type (blogs) — RSS Amplifier Recent posts from the 1 feeds in the RSS Amplifier directory that cover file type. Page: Feed: --- ## [KB5121767 Enables Additional UCPD.sys Features on Windows 11 Enterprise](https://kolbi.cz/blog/2026/07/23/kb5121767-enables-additional-ucpd-sys-features-on-windows-11-enterprise/) _2026-07-23 · admin · the kolbicz blog_ For quite some time, Microsoft did not enable several of the UCPD.sys features described in my previous blog posts on Windows 11 Enterprise. This was \[...\] ## [UCPD.sys – UserChoice Protection Driver Part 2](https://kolbi.cz/blog/2025/07/15/ucpd-sys-userchoice-protection-driver-part-2/) _2025-07-15 · admin · the kolbicz blog_ 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](https://kolbi.cz/blog/2025/04/20/userchoicelatest-microsofts-new-protection-for-file-type-associations/) _2025-04-20 · admin · the kolbicz blog_ 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. \[...\]