Microsoft Setup Bootstrapper has stopped working while installing Office

Microsoft has tried to enhance installation of their products by implementing latest technologies. In the old days, we have used executable files which were quite capable of installing a product with a single click. However, in Office 2013/2016, Microsoft is using Bootsrapper technology. Bootstrapper is responsible for the initialization of an application built using the Composite Application Library. You can explore more about Bootsrapper technology on MSDN.

Recently, while installing Microsoft Office, we came around the issue of installation failure due to Bootsrapper technology. We received following error:

Microsoft Setup Bootstrapper has stopped working

A problem caused the program to stop working correctly. Windows will close this program and notify you if a solution is available.

Microsoft Setup Bootstrapper has stopped working

So as you can see in the error message shown above, Windows closes the program but it never notifies anything after that to solve this problem and you’ve have to manually fix it using following steps:

Microsoft Setup Bootstrapper has stopped working

Before you commence, please create a System Restore point before trying this solution. Since making mistakes in manipulation of registry could result in messing up of your system.

Completely uninstall your Office installation. This is important. Having done that, now do the following and see if it helps.

1. Press Windows Key + R combination, type put regedit in Run dialog box and hit Enter to open the Registry Editor.

 Mouse pointer sticks at edge while moving between multiple monitors in Windows 8

2. In the left pane, navigate here:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags

Microsoft-Setup-Bootstrapper-1

3. At this registry location, as shown in above image, right click over AppCompatFlags key and select Export. Save this key as registration file at a convenient location on your system for backup purpose. Now right click the same key, i.e. AppCompatFlags and select Delete.

Microsoft-Setup-Bootstrapper-2

You can now close the Registry Editor and reboot the machine.

After restarting the system, you should install Microsoft Office, in Clean Boot State.

Let us know if you were able to resolve your issue following this procedure.

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An Electrical Engineer by profession, Kapil is a Microsoft MVP and a Microsoft Content Creator. Please read the entire post & the comments first & create a system restore point before making any changes to your system.