The updspapi.dll is a Microsoft servicing setup API DLL file. It is a safe application and should not therefore be taken as a risk to your computer. It is very important particularly for some programs. The only way that they will be able to work perfectly is if it is installed. In case your updspapi.dll develops problems or is not working as it should be, the remedy is quite simple. Simply download another copy of the updspapi.dll file and install it. Once the installation is done, your PC should be as good as new once again. To get the updspapi.dll download, simply click here.