https://www.psxdev.net/help/psyq_install.html
For setting up the environment I used the automatic method for WinXP present here:
viewtopic.php?f=49&t=206
And for creating a project and compiling I followed this:
https://www.psxdev.net/help/psyq_hello_world.html
But when I try to compile the example project, I just get a "Access Denied" error and haven't been able to figure out why.

Can someone please shed some light on the issue?
Many thanks in advance.