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Ah- maybe you disabled a key MS item. If you are now reinstalling programs, keep checking if the problem returns.

Here's a way to help protect your system and your data, provided you have an image created before the problem occurred:
Routine use of disk imaging- e.g. Macrium Reflect (free) + external storage for disk image sets.
You can restore your PC if it's unbootable, corrupt, your disk fails...