Resolve COM, GPO Redirect Errors

Our small LAN runs on Windows Server 2016 Standard with a handful of Windows 11 Pro workstations. A sudden power loss last weekend left two of those PCs throwing constant COM errors, and I am also seeing knock-on GPO and folder-redirection failures... (Budget: $8 - $15 USD, Jobs: Active Directory, Microsoft, Network Administration, System Admin, System Administration, Technical Support, Troubleshooting, Windows Server)