That error arises when users try to install Microsoft Project with the Click-to-Run technology. However, Windows Installer Office software is already installed when they try to install it. Therefore, a compatibility issue aries.

How to Fix Project’s Click-to-Run Installer Error

1. Uninstall the MSI Office Version

Removing MS Office with the Windows uninstaller might leave some leftover files and registry entries. Thus, it might be better to more thoroughly remove MS Office software with either a third-party uninstaller or the Microsoft Support and Recovery Assistant. Click the blue Download button on the Uninstall Office page to save the setup wizard for the Microsoft Support and Recovery Assistant. Install the software with the setup wizard, and open its window. Then select Office, and press the Next button. Thereafter, users can select a I want to uninstall Office option to remove Office software. The Recovery Assistant also includes a troubleshooting option for installing Project, which might come in handy. Read also: How to Completely Remove Microsoft Office in Windows 10 SPONSORED

2. Install Project With the Office Deployment Tool

Thereafter, a Microsoft setup window should open that will download files and install Project. It will also remove and redownload Office installations if required. Thus, users might also need to enter product keys again. That’s how users can fix Project Click-to-run installation errors. Also remember that the 32 or 64-bit Project version must also match the system version of existing MS Office installations. RELATED ARTICLES TO CHECK OUT: 

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