Symptoms/Indications Error Code 30088-4 : It is noteworthy that the detection of the Error Code 30088-4 in the earlier stages of the installation process can help you save a lot of time and effort. And there is no requirement of being a techno savvy to detect the early warning signs of this kind of error. The Following are Certain Critical Signs of Error Code 30088-4 : The installation process of Microsoft Office will stop in an abrupt An error message will be displayed on your screen when you open office 365/2010/2013 program every time. The performance of your computer becomes slow and often hangs.