Good morning! A merry christmas as well

Not sure if this is the right section to post this in - was directed here from someone at Boredofstudies (delicious pun :smitten:), so I shall just copy my thread over to here...
Hello there,
I stumbled across this forum; and I hope you're all able to assist me with regards to my issue here.
Some basic background information first;
Finished VCE back in 04, very poor ENTER (66.3), did OK in most of my subjects though, mostly As, & Bs - I'm sure the exams, coupled with the lack of extra subjects / scaling of scores let me down. (English, Health, Psychology, Multimedia, & IT).
I only selected HECS based courses for my preferences, and only got accepted to a TAFE course that I totally ignored.
I never continued education, or got a job (I never once claimed unemployment, though - so please don't guilt me :angel:. Until recently though; I did get a part time job in hopes of saving up for an education or the likes. But, I sincerely doubt that's going to help my education / entry in any sense - fast food! But, through investments & the likes have saved up in excess of 20k.
I've recently been diagnosed with a few mental health issues, which may also explain my lack of direction over the past few years, & lack of motivation.
Alright, here are my questions;
Is my ENTER score still valid? As I am once again feeling hopeful, as I look at many courses that allow for 50-60s.
If it is valid, do you know for how long?
Is there anyway I can go to TAFE, or somewhere else & retry my VCE/ENTER? Not afraid of hard work

Do mental health issues qualify for any sort of leniency?
Do I still apply through VTAC; Will my ENTER score still be there? (My Pin/App number doesn't seem to work anymore)
Is there any Bachelor of Arts course that would be suitable for my ENTER? (That's, if it's still valid) This course appeals to me, as it would offer me a wide range of subjects that might allow for me to select a career.
~ Or, is Mature Aged entry / alternative pathways my only option here?
Oh, and I'm 21 years old.