Originally Posted by MasterTec
The upgrade itself isn't the problem. The problem is when people start rooting it and messing with things they probably shouldn't mess with.
For a normal user who has no intentions of playing with settings and files that shouldn't be touched, Ermine is quite safe.
What I am referring to is the possibility of a catastrophic hardware failure caused simply by installing a software upgrade to the OS - i.e. the WSoD.
And I am not a "normal" user. I am quite fluent in software and hardware as I have been a professional technician (both in computers and consumer electronics) for over 25 years.