TexasCHLforum.com

Here is the KB for cleaning up winsxs. Whatever you do do not manually delete from that folder.

https://support.microsoft.com/en-us/kb/2795190

I am willing to bet the space is taken up by the winsxs folder. There are steps out there how to reduce the size. To find size use a program called windirstat.

https://windirstat.info/