Alright! Found the culprit! In this topic: viewtopic.php?f=49&t=206 The provided .reg file that sets up the env variables, has all the paths with double backslashes, I edited the Environment Variables manually and removed all the duplicated backslashes, and it worked, the file there should be up...

Thanks for the reply, how do I verify permissions for the temp folders?

I have applied Full permissions to "Everyone", including Auditing permissions, and defined the owner of the folders as "Administrators".

Still getting the same error.

Hello, I've made a Virtual Machine with WinXP in order to run Psy-Q, I have followed the following tutorials: https://www.psxdev.net/help/psyq_install.html For setting up the environment I used the automatic method for WinXP present here: https://www.psxdev.net/forum/viewtopic.php?f=49&t=206 And...