Hi @colinwhipple,
Error 2502/2503 is usually caused by having no write access to the Temp folder where files are typically copied during installation. If you have no admin rights in the user account you have logged in while installing spacedesk, you might encounter this issue. Also, are you installing in the default installation path or did you choose a custom installation path?
If you have admin rights, can you try the following steps and see if this resolves the issue?
1. Go to local disk C: and open “Windows” folder
2. Locate and right-click the “Temp” folder
3. Go to Properties > Security > Advanced
4. If pop-up window shows a Continue button, click on it.
5. Under Permission entries, double-click on “Users…” then click on Full Control
6. Click Apply.
7. Click “Yes” and “Continue” for any warning messages that appear.
8. Proceed with spacedesk installation
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