do the following to have no issues moving forward:
1. https://www.dell.com/support/article/uk/en/ukbsdt1/sln288643/what-is-data-execution-prevention-dep-?lang=en
Use the link above to turn DEP off for psobb. This prevents you from crashing when using guns.
2. Whitelist the Ultima PSOBB folder so that your antivirus doesn't see it as harmful. If you let us know what your antivirus program is we can guide you through it.
3. Set the launcher application to run as an administrator. This will allow you do download updates correctly.
4. Restart your pc and then launch the game via the Launcher application.
5. If the above solution does not work, try to change your DNS settings to Google’s on the Protocol Version 4
https://www.windowscentral.com/how-change-your-pcs-dns-settings-windows-10
Perhaps pin this somewhere for new starters? Thanks r-78