« Reply #2 on: Thursday 08 June 17 22:06 BST (UK) »
Message "1" suggests that there is a physical hardware problem with the hard drive rather than simply a windows software fault. If there is a physical fault in one or more sector of the hard drive, chances are it has corrupted part of the windows installation files saved to that area and that is why you are getting subsequent messages. The Windows 10 upgrade won't have caused the physical fault, but may have subsequently saved files to an area of the disk that wasn't being used before and has a problem.
You may need a new hard drive and, unless you take a regular full image of the laptop, windows will need to be reinstalled from scratch with all other software. Probably better to take it to a friendly PC shop to see, although probably not a certain nationwide retailer as they will simply replace and reinstall anyway. Depending on the condition of the drive, they may be able to access and transfer files saved on it prior to replacing/reinstalling windows.
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