I remember troubleshooting a client issue that amounted to their anti-virus creating extensive logs that filled their C drive. Maybe there is a bugged piece of software doing something similar.
Maybe you can follow the steps here and see if there are some abnormally large files to get rid of. If you come across any culprits, I might pop the filename in Google and see if there is a known piece of software or malware that is creating the file.
I remember troubleshooting a client issue that amounted to their anti-virus creating extensive logs that filled their C drive. Maybe there is a bugged piece of software doing something similar.
Maybe you can follow the steps here and see if there are some abnormally large files to get rid of. If you come across any culprits, I might pop the filename in Google and see if there is a known piece of software or malware that is creating the file.