Script could check if folder exists

**Describe the bug**
Script lacks a check whether folder exists.

**To Reproduce**
Run it like normal on 10 build 17763, LTSC 1809.

**Screenshots**
<img width="978" height="510" alt="Image" src="https://github.com/user-attachments/assets/b25c145a-5cc4-4e6b-8252-d0c640443593" />

**Desktop (open winver to see build):**
17763.8389
