Suddenly the free space in c: is gone Now 3.5GB was 16.5 gb 2 days ago). This is a SBS2011 and here is the results from Tree size.
In the "Log file pic" are these legit log files? and if so how to get rid of and what caused this all of a sudden?
Second Pic show the tree size results for Drive C:
I need to find some room on this drive quick.