Since your USB Flash Drive is working, there is no problem with your USB Ports.

You say you are using a USB mouse, but then you say you tried a Wired mouse? Is this USB I presume? Does this mean...

The picture in Post #6 shows Disk 3 which includes the G:\System drive, shows incorrect Hidden Partitions for a GPT Initialized drive. (ie) no 100MB FAT32 EFI partition.
However the latest picture...

When your finger accidentally slips, it can move a file into another nearby folder, it has not vanished. this is Human Error.
As stated, if you accidentally deleted it, it would be in the Recycle...

You have to check the Health of the Drive, it may be starting to fail. As stated, you can download Crystal Disk Info and/or DiskGenius in my signature. View the SMART Info, if the Health is any less...

In the Recovery Environment, the command for SFC is different then those that are run within Windows.
As stated, you would only run these commands if the Drive was healthy. It sounds like the drive...

Glad to see you got it sorted.

What does the error say?
Is it for all 365 apps? Or just one?
https://support.microsoft.com/en-us/office/about-the-microsoft-support-and-recovery-assistant-e90bb691-c2a7-4697-a94f-88836856c72f
...

You are most Welcome!

Add Take Ownership to the Right click Context menu, then right click the Text file and Take Ownership of it.
Add Take Ownership to Context Menu in Windows 10

Go t search and type Power Options and press enter. Go to Change Advanced Power Settings, see if there are any settings for Shutting down , sleeping, or hibernating.
Go to Task Scheduler and see if...

94% rating is OK, but it just means that the drive is starting to age and is eventually going to Fail.
I would Backup your files, and make plans to replace the drive when you have time to do so

Scroll down to Standard Edition. Download the Zip File, Extract it to a Folder and run Setup.exe.

Your Windows Login Profile may becoming corrupted.
First, backup all of your personal User Files to another drive, like a USB HDD.

Disconnect any external USB HDD's and or Flash Drives
Then, run...

Backup and Recovery (W7) is no longer supported. At some point, you will not be able to restore your backup.
Again, anytime you feel the tutorials are too complicated, post the point where you got...

Try a different keyboard.
Or use the On Screen Keyboard to test.

Glad you got it sorted

The Bottom Line is that Windows 10 is supported until October 2025.
There may be Paid Support past that date.

It doesn't matter if you are Syncing from Laptop to Desktop, or Desktop to Laptop. The procedure is the same, just follow the instructions in the Tutorial. If you get stuck, after following...

Feel Free to check out the extensive Tutorials on these and many other subjects in computer troubleshooting.

Backup and Restore with Macrium Reflect

Clean Install Windows 10

If you get...

When you right click an apps shortcut and go to Properties/Compatibility tab you can put a Check in the Box Run As Administrator. Then any time you left click that app, it will run as Administrator....

We constantly suggest that you make an Image File of your computer, once Windows 10 is all updated and your 3rd party apps are installed and save the Image to another drive like a USB HDD. Or at...

Boot into Setup (Bios) and go to the Boot Tab, and remove the unwanted Boot options. (Ie) LAN which is IPv4 and IPv6. and the other drives you don't want to show up.

What are these Several Programs? Is there a setting with in these programs that has a timeout?

Start by doing a System Restore and blocking that update.
If it continues, do as suggested and do a Clean Boot

Make sure you do All manual Windows Updates before trying to do the Windows Upgrade.

If that fails,, do a clean install