A freeze or shutdown are different from a BSOD, if I had to be honest I would say they aren't system crashes (they are crashes, but not in the way that Windows can do something to prevent problems) because they are unexpected and can't save logs or something other than an unexpected power problem because either there is no time or the system can't do it because it can't respond.
With a BSOD it saves the data from the memory because it has the time to do so, a BSOD is the net of Windows to prevent anything from becoming corrupted.
I lieve that up to you, it isn't my call what you do with your system, I only provide suggestions and possible solutions to make a system more stable
So I need to go back to unsupported Vista so my MoBo will work, but then the headset doesn't have VISTA drivers (and as such will cause a crash) or build a new machine?
Could you elaborate of what you mean exactly?
Of course the *unexpected power problem* couldn't be the universal *fix* that MS added to one of their updates to manage my non existant battery consumption could it?
I don't know what PSU you're using, so I can't say anything helpful (yet) for this question.
How about a new power supply?
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