FixMissingMSI.PowerShell

1.1.5

PowerShell module for detecting, reporting, and repairing missing Windows Installer (MSI/MSP) cache files. Automates the FixMissingMSI utility for non-interactive, scalable recovery using a shared cache model.

Minimum PowerShell version

5.1

Installation Options

Copy and Paste the following command to install this package using PowerShellGet More Info

Install-Module -Name FixMissingMSI.PowerShell

Copy and Paste the following command to install this package using Microsoft.PowerShell.PSResourceGet More Info

Install-PSResource -Name FixMissingMSI.PowerShell

You can deploy this package directly to Azure Automation. Note that deploying packages with dependencies will deploy all the dependencies to Azure Automation. Learn More

Manually download the .nupkg file to your system's default download location. Note that the file won't be unpacked, and won't include any dependencies. Learn More

Owners

Copyright

(c) 2025 Joey Eckelbarger. Licensed under MIT License.

Package Details

Author(s)

  • Joey Eckelbarger

Tags

FixMissingMSI WindowsInstaller InstallerCache CacheRecovery Repair MSI MSP Automation

Functions

Install-FixMissingMSI Initialize-InstallerCacheFileShare Invoke-InstallerCacheRepair Merge-InstallerCacheReports Update-InstallerCache Get-InstallerRegistration Remove-InstallerRegistration

Dependencies

This module has no dependencies.

Release Notes

FixMissingMSI.PowerShell (v1.1.4)
- Automates FixMissingMSI through PowerShell for non-interactive execution.
- Enables centralized detection and repair of missing MSI/MSP cache files.
- Supports shared, demand-driven cache population across systems.
- Adds advanced recovery helpers for inspecting and removing broken MSI registrations.
- Designed for easy integration with MECM, Azure Arc, Intune, or standalone PowerShell execution.

1.1.3:
- Added -DeepClean switch to Remove-InstallerRegistration
1.1.4:
- Fixed confirmation on Remove-InstallerRegistration to mention that it tries uninstalling w/ msiexec first.
1.1.5:
- Adds local-only repair support for systems without a network file share.
- Updated Invoke-InstallerCacheRepair to automatically detect and run FixMissingMSI from $env:TEMP\FixMissingMSI when -FileSharePath is not specified.
- Added Install-FixMissingMSI function to download and stage FixMissingMSI locally for use in disconnected or lightweight scenarios.
- Improved help documentation and parameter consistency across functions.

FileList

Version History

Version Downloads Last updated
1.1.5 (current version) 8 10/22/2025
1.1.4 44 10/7/2025
1.1.3 4 10/7/2025
1.0.2 5 10/7/2025
1.0.1 4 10/7/2025
1.0.0 4 10/7/2025
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