Iolo System Mechanic 12.7 review: nice uilities, real-time drag

Since back in the day, when Norton's CrashGuard consistently crashed it itself rather than made Windows more stable, I've been skeptical about programs that promise to "improve" Windows in real time. Iolo's System Mechanic 12.7 does nothing to change my mind. In fact, while it offers a nice set of Windows housecleaning utilities, enabling its touted real-time optimization features actually proved a significant drag on overall Windows 8.1 performance. Before getting to the damning test numbers, s...