If you are seeing errors like "Windows Installer Service could not be accessed," you can often fix it by the service through the Command Prompt:
Developers building MSI installation packages want to ensure their local environment aligns with Windows Installer 5.0 specifications. How to Verify Your Current Windows Installer Version windows installer 50 download for windows 10 64bit new
If msiexec is missing or irreparably damaged If you are seeing errors like "Windows Installer
If the actual msiexec.exe file or its dependent system registries are corrupted, Windows can automatically heal itself using system image tools. Open . Run the Deployment Image Servicing tool first by typing: DISM.exe /Online /Cleanup-image /Restorehealth Use code with caution. Run the Deployment Image Servicing tool first by
Microsoft delivers updates, security patches, and bug fixes for the Windows Installer engine directly through Windows Update. Click the menu and select Settings (the gear icon). Choose Update & Security . Click Check for updates .