Third-party Office add-ins can conflict with core DLL files. Troubleshooting and Fixing "osa.dll Disabled"
The "osa.dll disabled" error or message can occur on Windows operating systems, indicating a problem related to the osa.dll file. This dynamic link library (DLL) is crucial for certain Windows functionalities, particularly those related to the Windows Update service and possibly other system operations. osa.dll disabled
If osa.dll is listed, restore it and add it to the exclusion list [2]. 4. Run Office in Safe Mode Third-party Office add-ins can conflict with core DLL files
Forensic papers discuss finding osa.dll disabled as an (IOC). osa.dll disabled