After the creation of a new project, I get an error with the colors.xml file (more details here: Error on first build after creating a project: XML document structures must
It may be which browser you got the install file from.
I just had a student with the same problem (version 3.3 now), and it appears to have been fixed by having him install from a file downloaded with Chrome rather than with Edge. Did you originally install with an install file obtained using Edge?