If you are a QuickBooks user, then you might have heard about QuickBooks Install Diagnostic Tool. While using QuickBooks, the users might encounter certain glitches, that can actually upsetting. The QBInstall Diagnostic tool is designed in a way to diagnose and fix multiple bugs that might be seen throughout the QuickBooks software installation procedure. The diagnostic tool is equipped to manage and handle multiple issues that occur in C++, .NET framework or the MSXML. If the QB install tool fails to resolve your QuickBooks error or problem. Call QuickBooks support phone number 1-800-865-4183 to connect with QuickBooks expert to resolve your problem manually via remote support.