Whoops that's on me, I wasn't paying close attention. Learn to code first then move onto other parts of software engineering. Java and C# are pretty similar (C# is Microsoft's answer to Java) so learning one will set you up for the other. Code conventions are slightly different but if you're just picking up how to program that's not a big deal.
If you're set on C# then the first order of business is figuring out that error. Figuring out environment issues is probably 70% of the shyt me and my peers go through day to day
. What's the error saying?