Sometimes a simple Windows Update will patch errors related to the Software Protection Platform. A Note on "Free Trials"
If repair fails, the best way to get a clean copy of the file is to uninstall and reinstall Office through your Microsoft Account portal Check for Updates: ospprearm.exe free download
Note: Replace "Office16" with your version (e.g., Office15 for Office 2013). What if it’s missing or broken? Sometimes a simple Windows Update will patch errors
Here is the "helpful story" on what this file does, how to find it, and what to do if it is missing. What is ospprearm.exe? This file is the Office Software Protection Platform Rearm Here is the "helpful story" on what this
C:\Program Files\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform
as it can be a security risk. Instead, try these safer options: Repair Office: Go to your computer's Settings > Apps , find Microsoft Office, and select Modify > Online Repair . This often restores missing system files like this one. Official Reinstallation: