1. Reset Microsoft Store Cache
- Press Win + R, type wsreset.exe, hit Enter
- A command window opens briefly; once it closes, the Microsoft Store will relaunch automatically
- Retry your download or installation
2. Re-Sign Into Microsoft Store & Office
- Open Microsoft Store
- Click your profile → Sign out
- Reboot your PC
- Reopen Store and Sign in again with your Microsoft account
- Do the same in any Office application if needed
3. Check and Correct Region & Time Settings
- Go to Settings → Time & Language → Region
- Set region and language that matches your Microsoft account
- Enable Set time automatically and Set time zone automatically
- Restart the system
4. Install Pending Windows Updates
- Go to Settings → Windows Update
- Click Check for updates
- Install all pending updates
- Restart the system and try installation again
5. Run Windows Store Apps Troubleshooter
- Go to Settings → System → Troubleshoot → Other troubleshooters
- Find Windows Store Apps, click Run
- Apply any recommended changes and restart
6. Reset Microsoft Store Using PowerShell
- Right-click Start, select Windows Terminal (Admin)
- Run:
- Get-AppxPackage -allusers Microsoft.WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
- Let the process complete, then reboot
7. Clear Credential Manager Entries
- Open Control Panel → User Accounts → Credential Manager
- Under Windows Credentials and Generic Credentials, remove any entries related to Microsoft or Office
- Reboot and try signing in again
8. Create New User Profile (If corruption suspected)
- Go to Settings → Accounts → Family & other users
- Click Add someone else to this PC
- Create a new user with admin rights
- Log into this account and retry the installation
9. Check Proxy, VPN, and Firewall Settings
- Disable VPN or proxy temporarily
- Whitelist Microsoft domains in firewall settings
- Run:
- netsh winhttp reset proxy
- Reboot and check if error persists