
Fix Microsoft Store Error 0x803FB005 Something Unexpected Happened on Windows 10
Fix Microsoft Store Error Something Unexpected Happened Error Code 0x803FB005 While Installing Game or Apps From Microsoft Store on Windows 10
1) Sign out and Sign in again on Microsoft Store. Make sure date and time/Zone is correct
2) Run Windows Store Troubleshooter
3) Clear store cache Using wsreset command
4) Update Windows 10
5) Update Apps
6) Reset Store app
7) Run Powershell command
Get-AppXPackage *WindowsStore* -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
Get-AppXPackage -AllUsers -Name Microsoft.WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml" -Verbose}
8) Uninstall & Reinstall Store
Get-AppxPackage -allusers *WindowsStore* | Remove-AppxPackage
Reboot your computer
Get-AppxPackage -allusers *WindowsStore* | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}
9) Run DISM Command
sfc /scannow
Dism /Online /Cleanup-Image /RestoreHealth
10) Run inetcpl.cpl command
In Advanced Tab
Tick Use TLS 1.2
11) Update Windows 10 using Media Creation Tool: https://www.microsoft.com/en-in/software-download/windows10