Windows 10: Ever since last windows update, small strange things happening...what is up??

Since the last windows update, some strange little-ish things have been happening.My taskbar has changed color, and in fact seems to be changing from day to day. Now it is a light green. Sometimes it is a light yellow. And sometimes it is back to what it always was, a pleasant light blue.Also, Edge has changed. The top bar that shows favorites, now the folders are no longer nice-looking colored folder icons, but are just outlined in black.And, i asked about the fact that my Excel pinned list changed in another post but never got a satisfactory answer.My pinned file list in Excel suddenly chang

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Strange things happening at bootup

In Settings/Accounts/Sign-in options; is this option un-checked like this ?



Also, in Notifications, make sure 'Show notifications on lock screen' is turn Off.
Sledgehammer Method - use Option 3 in this tutorial -
Enable or Disable Lock Screen in Windows 10

 

Strange things happening on my PC.

how can I see who is logged in with my account on my company PC or another PC using my account? We are on a network, so I guess anybody could login with other accounts.

Today, all of a sudden Photoshop was deleted from my computer. I literally used it 1 hour before. Strange things like this have happened before, and I believe someone is logging in with my account. The next thing I hear you asking, yes, we all have the same password for each of our accounts.

 

Windows 11 22H2 update failed - error 0x8007000d

I did the same thing. It seems unreasonable to go through numerous convoluted steps to update Windows. Strangely, now the update is no longer presented as an option, so for now my version is listed as 21H2 and it says I'm up to date. Not sure what happens next.