The "stack" is published here; https://technologie.deutschland-stack.gov.de/
I guess this is supposed to be some sort of suggestion/guide for companies in Germany for what technology is recommended?
According to the website the criteria for what to include on the page are; Digital sovereignty Interoperability Future proofedness Market relevance Trustworthiness Sustainability
Which mostly turns out to be a list of popular open source tools, not really anything new or interesting imo.
Ich hatte neulich ein problem mit EU4, da startete der paradox-launcher nicht, da gab es einen trick den einfach zu löschen und von Steam neu installieren lassen. Vielleicht hilft dir das weiter?