220-1102 Software Troubleshooting Practice Question
A user reports that when trying to install an add-in for Microsoft Office on a Windows 10 Pro workstation, they receive the error: 'There is a problem with the Windows Installer package. A program required for this install to complete could not be run.' The technician has verified that the add-in is compatible with the installed Office version and that the user has local administrator rights. Which of the following should the technician do NEXT to resolve the issue?
⚠ Common exam trap
The trap here is that candidates often jump to reinstalling Office (Option A) or using the deprecated CleanUp Utility (Option C) because they assume the add-in itself is corrupted, when in fact the core issue is a corrupted Windows Installer engine that can be fixed with a built-in Microsoft troubleshooter.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Run the Microsoft Program Install and Uninstall Troubleshooter
The Microsoft Program Install and Uninstall Troubleshooter is the correct next step because it automatically detects and repairs common Windows Installer corruption issues, such as missing or damaged registry keys, without requiring a full Office reinstall. This tool is specifically designed to resolve errors like 'There is a problem with the Windows Installer package' by resetting the Windows Installer service and fixing corrupted installation metadata.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Reinstall Microsoft Office
Why it's wrong here
Reinstalling Microsoft Office is a heavy, time-consuming step that replaces the entire Office installation, but the root cause here is likely the Windows Installer service (msiserver) being corrupted, disabled, or having mismatched registry permissions. A reinstall does not repair that underlying service or clean up the orphaned installer registry entries that are blocking the installation, so the same error can recur afterward. It also risks losing user settings and requires re-downloading or re-reading media, making it an unnecessarily invasive action before trying targeted installer repair.
- ✓
Run the Microsoft Program Install and Uninstall Troubleshooter
Why this is correct
The Microsoft Program Install and Uninstall Troubleshooter is the supported, first-line diagnostic tool for this exact scenario. It automatically checks for and resets the Windows Installer service registration, repairs corrupted registry keys under the Installer hive, and removes invalid installation entries that prevent Office from installing. Unlike a broad reinstall or a risky cleanup utility, this troubleshooter is non-destructive and specifically designed to restore the msiexec framework to a functional state, making it the correct and safest initial step.
- ✗
Use the Windows Installer CleanUp Utility to remove leftover registry entries
Why it's wrong here
The Windows Installer CleanUp Utility (msicuu2) is deprecated and not supported on Windows 10, and forcibly deleting .msi installation metadata from the registry can leave Office in a half-uninstalled state, breaking future repair or removal options. It can also remove registry entries shared by other applications, causing additional installation failures, while it does nothing to reset or repair the Windows Installer service itself. Using an unsupported legacy tool instead of the Microsoft-supported troubleshooter is both risky and unlikely to solve the underlying service registration problem.
- ✗
Perform a System Restore to a point before the error started
Why it's wrong here
System Restore reverts the entire system registry and critical files to a previous point, which might resolve the error if it began after a specific recent change that damaged the Windows Installer service. However, it is a blunt, broad rollback that also undoes unrelated updates and settings, may not have a restore point from before the issue appeared, and does not specifically target or repair the installer service's registration or leftover orphaned entries. It should be reserved for after Microsoft's dedicated installer troubleshooting tool has failed, not used as the first step for a common installation error.
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Key term
Registry
The Windows Registry is a central hierarchical database that stores configuration settings and options for the operating system, hardware, software, and user preferences.
Key term
Windows
Windows is a family of operating systems developed by Microsoft that manages computer hardware and software, providing a graphical user interface for users to interact with their devices.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 220-1102 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1102 exam.