- Run Piriform's SPECCY program. Choose "File" >> "Publish Snapshot" and post the link that pops up in your next reply. Perhaps your HD is in the first stage of failing.
I also am getting the "Disk Health: ERROR" warning in Defraggler. If I "Analyze" and then "Optimize", the Defraggler seems to work but it doesn't seem to do anything (my fragmentation remains at 25%).
I ran check disk which also seemed not to do anything, and then ran Defraggler again, but