Hi, Stiff-Shine,
Sorry to hear you're experiencing this issue.
As you have many problems, the best option is to perform the repair upgrade using the Media Creation Tool, this procedure will repair all Windows files, apps, services, and registry keys.
1-Download the media creation tool.
https://go.microsoft.com/fwlink/?LinkId=691209
2-Run the tool and select 'Upgrade this pc now'
3-Select the option 'Keep all my files and apps'
4-Then click to update.
If the problem persists or you are not able to perform the repair upgrade, you will need to reinstall Windows. As long as you do not format the C: drive in the Setup, you will not lose your data, but they are moved to another location. After the installation, you can find a folder Windows.old in the root directory of C: drive. All your files are saved there.
Note: This procedure only will keep the personal files, all software and apps need to be reinstalled.
1-Create a USB device with an installation image.
You can create using the media creation tool, download it on this link.
https://www.microsoft.com/en-us/software-downlo...
2-Enter on BIOS/UEFI and change to boot from the USB device.
3-Click "Install Now".
4- Type your product key or skip it. Usually, your computer will be activated automatically when it's connected to a network if your install the same version of Windows 10 as before.
5- Select the installation type "Custom".
6- Select the C: drive and click Next to proceed. Then, wait patiently until the installation is complete 100%.