Problem updating windows 10

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New Contributor
Hello,whenI try to install windiws 10 updates,it stuck at 75%,then screen goes black.i turn off the PC,installation goes up to 84% and gets stuck again,then when I restart PC,windiws goes back to the previous version.I tried this several times but I keep encounter same problem.

Next problem I came across after bring redirected to the previous version I was not able to access my Microsoft account although I provided the correct password,I think the problem is attributed to being unable to access my desktop and controlling wi fi networks.
What can I do about these two issues.
Thank you.
1 Reply
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Hi,
Which Windows 10 version?