I have two Windows 8 systems, which only run basically to get updates. But neither one has exhibited any problems.
On the 18th, I did a system file check on one system to test something. The result I got was rather unexpected. It took the SFC around 15 minutes to get to the "Verification...
When I originally built my current system, for the DVD RW, I opted for a 'LiteOn'. This was because I'd always found them to be good at what they did and firmware updating was a doddle. Unfortunately this particular drive was not so good. To be fair to LiteOn, I think it was just a case of...