NOTE: If Automatic Updates is enabled on your computer, you are probably already capable of installing & running USBlocker. You should try installing USBlocker, and it will tell you if you need to download additional software from Microsoft.

In order to use this utility, you will need Windows XP Service Pack 2 or later.

Windows Installer 3.1 is required to run the installation MSI package.
Download Windows Installer 3.1 from Microsoft

.NET Framework 2.0 or greater is required to run USBlocker.
Download .NET 2.0 from Microsoft
Download .NET 3.5 from Microsoft
Download .NET 4.0 from Microsoft

Compatible with: