So I just updated both my laptop and desktop from Windows 7 x64 to Windows 8.1 x64. I am a bit disappointed in the performance of CCleaner on both systems. I have all of the same settings as I previously did on my computer with Windows 7 installed, one of those being the x3 secure wipe. Now what used to take 1-2 takes 6-10mins. Both systems are SSDs, I did notice in performance monitor the disk usage spikes to almost a 100% (didnt gauge this in Windows 7 previously). Anyone else seeing this?