I already talked about the significantdifferences between Office 365 and 2013.

The former is more of a subscription based model and has cloud-based support.

One such error is 1603.

This error is not confined to Office 2013 and is more of a Windows Installer package error.

What are the Symptoms of 1603 Error?

What are some of the Causes and Solutions to Error 1603?

Also you may not have administrative privileges for the account you are currently logged in.

There are several solutions to this problem.

There are two solutions to this problem.

The first one is to download theQuickBooks Install Diagnostic Tooland let the tool run.

It will attempt to correct problems related to Microsoft Components which can cause unexpected errors.

If you are an advanced Windows expert, you might try thesecond solution.

This applies to QuickBooks 2013 and 2012 products.

If one is a Windows 8 user, he has to ensure that.NET Framework 4.5 is enabled.

This can be found inTurn Windows Features on or offfeature.

You will find a small box beside this option which has to be check-marked.

This whole process is little tiresome but works out.

Trend Micro Titanium Installation Error 1603

The installation of the software stops between 70 and 100 percent.

you gotta delete the Tempfolder and tmtdi.sys file.

Then you’re gonna wanna download the permission tool and run it.

it’s crucial that you delete the Trend Micro folder in the following two locations.

Then you better delete theTrendMicro registry entriesat the following locations in the registry.

Then you gotta re-plant the Titanium 2014 version according to the instructions given.