PCHealth mistery on Windows boot disk

Had a problem today on of our internal web servers and it was not the first this happened. C: disk was full and biggest files were found back in C:\Windows\PCHealth\ErrorRep\QSIGNOFF. A quick google and the answer was found : simply disable error reporting!

Source: http://bdbits.wordpress.com/2008/04/23/reclaiming-space-on-your-windows-servers-c-drive/