ARCHIVED: Error: "An unexpected error occur during installation."

• Firewall
• Installer is bad and need to redownload

1. Verify that the firewall and antivirus are disabled

Option 2: Run setup.exe

1. Browse to the installation file folder (eg. C:\Sage\Sage 50 Accounting Installer Files - CDN Release 20xx.x)
2. Open the setup folder
3. Right click on the setup.exe and run as administrator

Option 3: Run the Microsoft Fix-it tool

1. See Additional information section 

Option 4: Installer is a bad copy

1. Re-download the latest version of Sage 50 again.