What I was able to archive made no difference, 4 GB of disk space dwindled down to zero bytes in minutes. I accepted the fact that universal apps would eat up some space along with Windows Update. I moved those too along with taking a close look at my installed apps to see, which ones might be eating up space. The only major files I had accumulated were the 4 GBs of HP drivers in the swsetup folder kept at the root of my drive. I went ahead and performed all the usual tasks such as running disk clean up, following the steps in our Groovypost free up disk space tutorial, and of course, searching manually for any files I might have stashed somewhere on the drive. Resolve 0 Bytes of Free Space Error in Windows 10 using TreeSize The majority of my active files are on OneDrive, which only uses 6 GB of space. I thought, how could this be? I don’t work with large applications or files, if I do watch a video, it’s immediately archived to my external drive old files no longer used are archived to the drive too. It wasn’t until I tried saving to a different partition I came across something weird I didn’t have a single byte of disk space left on my system drive.

The errors were happening a lot when I tried to save screenshots from Snip.

Tree size program