The previous system shutdown was unexpected.

Above error in the system log upon reboot after any type of shutdown (i.e. cold boot or restart). Just started - Please don't ask what I did since I'm not exactly sure (possibly image restore). Any Ideas?

Unfortunately that is not enough info to go on. It could be a dozen+ different reasons.
Bad hardware, software, drivers, OS install, conflicts, virus/malware

You will need to give us the info from Event Viewer as to Stop codes, what was the last thing you were doing, installing, uninstalling, other before this started.

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