Saw this while browsing a kb, haven't heard of anyone having the issue Failed to Open the Resources after Upgrading CWA for Windows to 2409 - https://support.citrix.com/s/article/CTX692265-failed-to-open-the-resources-after-the-upgrading-cwa-for-windows-to-2409?language=en_US

As mentioned in the article, this is when using the old PNAgent