Hi Eevan123,
I am Vijay, an Independent Advisor. I am here to work with you on this problem.

Please try these options one by one and check after each option.

1. Windows Key+R > Type services.msc and press Enter > Locate Background Intelligence transfer and ensure it is set to Start and Automatic. Also do the same for Windows Update service as well

2. Run Windows Store Apps Troubleshooter
Windows Key+X > Click Settings > Click Update & security > Click Troubleshoot > Scroll down to the bottom > Click Windows Store Apps > Click Run the Troubleshooter

3. Reset Windows Store through Command Prompt
Type cmd in Windows Search box > Right click on Command Prompt > Run As Administrator > Type WSreset.exe and click Enter > Reboot your computer

4. Re-register All Store apps (You will get many Reds, ignore them)
Windows Key+X > Windows Powershell (Admin) > Copy the following from below and right click in Powershell to paste > Enter > Restart your computer

Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

5. Uninstall & Reinstall Store
Windows Key+X > Windows Powershell (Admin) > Copy the following from below and right click in Powershell to paste > Enter

Get-AppxPackage -allusers *WindowsStore* | Remove-AppxPackage

Copy the following from below and right click in Powershell to paste > Enter > Reboot your computer

Get-AppxPackage -allusers *WindowsStore* | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

6. Run Built-in & Guided Walk through Windows Update troubleshooter
Built-in : Windows Key+X > Click Settings > Click Update & security > Click Troubleshoot > Click Windows Update > Click Run the Troubleshooter

Guided Walk though - https://support.microsoft.com/en-us/help/10164/...

7. Check your Antivirus
Temporarily uninstall / disable AV

Do let me know if you require any further help on this. Will be glad to help you.

Source - https://answers.microsoft.com/thread/b8f36cad-9...