Installing QuickBooks is the first step towards managing your finances and keeping track of your income or expenses. However, the issue with C++, .net framework and MSXML components can lead to installation errors. To mitigate these problems, you will need to use QuickBooks install diagnostic tool to resolve the Microsoft core components, C++ related issues, or error in the .net framework. You can get the QB install diagnostic tool directly from the Intuit official website. Once you download it on your system, you will get a file with the name QuickBooksDesktopInstallDiagnosticTool.exe. Right-click on the installer file and click Run. Intuit has made it simple to use the QB install diagnostic tool. You just have to follow a few instructions after clicking over the button dedicated to QuickBooks install diagnostic tool. If you are still facing the installation errors, make sure that you have downloaded the latest Windows updates. To add on, you can also use the QB install diagnostic tool to check the final status or test the connectivity. Call the experts if you still have doubts regarding the tool.