So, i did as you said and installed like a good portion of security updates(like ~30), everything went smoothly, but then i ran into this problem(look at the screenshot below).
I tried to search for updates again but the problem repeated.
There are still updates to be installed but windows just stopped searching for them.
What should i do
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Edit: Ok, i tried searching 2 more times and it just magically found updates again. Proceeding to install the rest. I shall report when i finish.