It's always been one thread - one person because a one stop solution can return a different error on some machines to others - so where does a helper go from there when there are additional problems to address.
Just because it looks like you have the same problem as someone else, you are free to follow the advice given to that OP without hijacking the thread - but if things take a different turn for you, then you will need to open your own thread and explain what you have done to date.
A restore point failing in a normal boot can be the result of an AV program blocking it, in which case, try the restore point again in Safe Mode.
