1. Restart the WMI Service
Since this is often tied to WMI:
- Press Windows + R, type services.msc, and hit Enter.
- Find Windows Management Instrumentation.
- Right-click it and choose Restart.
Restarting this service can refresh WMI operations and potentially clear the error.
2. Rebuild the WMI Repository
If WMI is corrupted:
- Open Command Prompt as Administrator.
- Type the following command:
- winmgmt /salvagerepository
- Press Enter.
This will attempt to fix the WMI repository without requiring a full system repair.
3. Repair Outlook
A damaged Outlook installation can also cause this error:
- Open Control Panel → Programs and Features.
- Select Microsoft Office and click Change → Quick Repair or Online Repair.
Quick Repair is faster, but Online Repair is more thorough if Quick Repair doesn’t fix the issue.
4. Update Outlook and Windows
Outdated software can trigger unexpected conflicts:
- In Outlook, go to File → Office Account → Update Options → Update Now.
- Also, check for pending Windows Updates under Settings.
Staying updated ensures compatibility and reduces chances of errors.
5. Run System File Checker (SFC) Scan
System file corruption can interfere with Outlook:
- Open Command Prompt (Admin).
- Type:
- sfc /scannow
- Press Enter and wait for the scan to complete.
This process automatically repairs missing or broken system files.
6. Disable Unnecessary Outlook Add-ins
Conflicting add-ins can cause errors during sync:
- Open Outlook → File → Options → Add-ins.
- Click Go next to COM Add-ins.
- Uncheck all add-ins, then enable them one by one to identify the problematic one.