Windows 10: How to handle slow boot time after update?

I'm using windows 11 version 10.0.22631. Recently my system got infected with Trojan through a pendrive. I wasn't aware of it when it happened. After an hour of the incident, I downloaded some system updates and had problems booting it back up. After several similar attempts, I ran an offline scan but found nothing. Finally I ran a custom scan in the suspected folder and found the virus. I removed it through windows defender, as well as manually deleted the infected file. Weeks have passed since then and I didn't have any problem. Suddenly yesterday I downloaded another system update and the s

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Windows 10 Boot times issue

The two are linked as you've observed and as I mentioned.

What puzzles me is the change after the power outage, which would suggest some form of corruption, which does not seem the case.

The other thing that can cause slow boot times are certain updates. For example this update:
KB4100347 Intel microcode updates for Windows 10 v1803 - September 13 - Page 9 - Windows 10 Forums

So I'm now wondering if the change in boot time is actually unrelated to your power outage. Using WPR as @zinou suggests is then the next step.

 

Slow boot time after upgrade to Windows creator update

We suggest disabling the developer mode, follow the steps below:

• Open Settings.
  
• Select Update & security.
  
• Click For developers on the left pane.
  
• Select Don't use developers features.
  

Let us know if you need anything else. We're here to help.

 

Slow boot

Hi Craig,

Boot performance may slow can be due to corruptions. To assist you better, kindly answer the following questions:

• Have you made any recent changes before this issue occur?
• Have you tried booting up your laptop in Safe Mode and check if the issue still persist?
• What troubleshooting steps have you done so far?

We're looking forward to your response.