2 Methods to Fix Microsoft Setup Bootstrapper Has Stopped Working

 

Method 1 – Re-enable Task Scheduler via Registry Editor

Several users who were struggling to fix “Microsoft Setup Bootstrapper has stopped working” error  reported that after re-enabling Task Scheduler the problem was finally resolved. It turns out that this error message is known to appear in cases where  Task Scheduler is prevented from running.

If this scenario applies, the quickest way to fix the problem is to re-enable Task Scheduler through the Registry Editor. Here's a quick guide on how to do it:

1. Press Windows Key + R to open  a Run dialog box. Then type "regedit" and press Enter to open  Registry Editor. If prompted by User Account Control (UAC), click Yes to grant administrative privileges.

2. In the Registry Editor, use the right pane to expand the HKEY_LOCAL_MACHINE key. Then access the SYSTEM button.

3. Navigate to the Schedule key folder by going to CurrentControlSet > Services > Schedule.

4. With the programming key selected, go to the right pane and double click on the Start Value.

5. Change the Value data  of Start to 2 and leave the base as hexadecimal.

6. Click OK to save the changes, then close  Registry Editor and restart your computer.

7. Once the next boot is complete, open the app/installer that was previously causing the error and see if the issue is resolved.

If you’re still seeing the Microsoft Setup Bootstrapper has  stopped working error when trying to open a Microsoft Office application, proceed to the next method below.

Read more on The Click Times: How to Fix Microsoft Setup Bootstrapper Has Stopped Working

 

Method 2: Uninstalling Office Installation and deleting the AppCompatFlags key

Several affected users have reported that the issue was only resolved after they uninstalled their Office installation completely and used Registry Editor to delete a key called AppCompatFlags.After doing this and reinstalling the Microsoft Office suite, some users have reported that they were able to launch any Microsoft Office application without encountering the ‘Microsoft setup bootstrapper had stopped working’ error.Here’s a quick guide on how to do this

1. Press Windows key + R to open up a Run dialog box.Then, type “appwiz.cpl” and press Enter to open up the Programs and Features screen.

2. Inside the Programs and Features screen, look through the list of applications, rightclick on your Microsoft Office suite and choose Uninstall.

3. Follow the onscreen prompts to complete the uninstallation, then restart your computer.

4. At the next startup, press Windows key + R to open up another Run dialog box.This time, type "regedit" and press Enter to open  the Registry Editor utility. If prompted by  UAC (User Account Control), click Yes to add administrator privileges.

5. In the Registry Editor utility, navigate to the following location: Note: You can  get there manually (via the left pane), or you can paste the address directly into the navigation bar and press Enter.

6. Once you get there, right-click the AppCompatFlags key and choose Export. Then save the file in a convenient location for easy access.

Note: This step is  for backup purposes in case something goes wrong and  registry changes lead to unexpected consequences.

7. After the backup is set up, right-click AppCompatFlags and choose Delete.

8. Once the key is removed, close the registry editor and restart your computer. On the next launch, check if you can open the Office application without getting the “Microsoft Setup Bootstrapper has stopped working” error.

 

TIP: If none of the Methods have resolved the issue for you, we recommend using Restoro Repair Tool which can scan the repositories to replace corrupt and missing files.This works in most cases, where the issue is originated due to a system corruption.Restoro will also optimize your system for maximum performance.