A single key value corruption or change may lead to malfunctioning of the entire Microsoft Office Suite Application. Step 2: Registry repair to fix Error Office installation stuck at 51%Įrror Office installation stuck at 51% also occurs due to registry corruption or key-valueĮrrors. Try installing or updating Microsoft Office and check whether the Error Office installation stuck at 51% is fixed. Click on YES or OK confirmation prompt if prompted. Click on settings and navigate to real time protection. Open Antivirus application installed on the computer.
