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Rationale for Deleting Restore Points after Windows Update
A much older thread discussed the reasons manual RPs get deleted, one of which was that the older restore points wouldn't apply to the new Windows version just updated.
The logic seems to overlook THE most important reason one would want a restore point available after an update - if that update fails or updates incompletely.
The common advice is that before any major update one should make a restore point in case something messes up. Yet Windows logic takes that option away at the most needful of times - when one is counting on getting back to a successful Windows version when something goes awry.
What I'm missing is why you can't restore a state of Windows before a version update, since it replaces the system just erroneously installed?
Is this a case that system restore doesn't backup all system files from the current version and depends on certain files of the old version to be there? It just seems incongruous that the most important need for a restore point is defeated by "the way Windows file dependencies work."
Can someone explain?