Need help urgent working on a group project and Unity won't start up (2017 version)

I tried re installing Unity but it won’t do a thing. We are working with 15 people on a Unity project and now Unity turns it back on me! Can anyone help out.

I re-installed it did nothing. It happened after i installed autodesk software. And i use the free license (for now).

Hello @kristof2000 !

For problems with license, you need to contact Unity Costumer Service . They should know why a computer can not accept a current license