PSA: PS3 Firmware v4.45 Is Bricking Consoles
Sony released a new firmware update for the PlayStation 3 earlier today, allowing you to turn off trophy notifications. While the usefulness of this feature is still up for debate, what really matters is that the firmware seems to be bricking several users’ PS3s and not allowing them past the startup animation to the Xross Media Bar, according to a discussion thread on the official PlayStation community forums. We highly recommend that you hold off on updating your PS3 until Sony fixes this issue.
If you’re a PlayStation Plus user worried about your system auto-updating its firmware, fret not: while the service will download the faulty firmware to your console, it won’t install until you prompt your PS3 to do so. Again, don’t follow through on doing so.
Source: PlayStation Community Forums