backwoods
What are the odds of a bricked system- one in about how many?
Your experience may be different from mine.
A year ago when I built my system, installing Acronis 2012 imaging software bricked it.
When I installed Acronis 2013 a few months ago it made my Windows Shell unusable.
When I installed the Windows 7 Logo Validation Suite, it's filter driver prevented me from installing Sonar.
All I can say is that my combination of customization makes it a bit risky to install system-level tools.