Illustrator won't save

I wonder if you just posted to vent or if you are looking for support? Could you give us more details?

Hi there,

Sorry to hear about your experience. Please share information asked by @Mohammad.Harb. I'd recommend you to follow troubleshooting steps given on this community post. Let us know if it helps.

Regards,

Ashutosh

Where did you try to save your files? 
are you on Mac or windows? 

please provide more details about the project you are working on .which version, which system,