Computer and Software Support


The messaging interface has returned an unknown error. If the problem persists restart Outlook

Printing a shared calendar

When you try to print a shared calendar, you get the following error

The messaging interface has returned an unknown error. If the problem persists restart Outlook

Try the following steps to see if the issue is resolved.

  1. Open Outlook
  2. Click The calendar tab
  3. Click File
  4. Click Page Setup
  5. Click Daily Style
  6. If you get an error, repeat steps 3 through 5
  7. Uncheck TaskPad
  8. Click OK

See if the issue is resolved. If that doesn't resolve the issue, try the following

  1. Open Outlook
  2. Click Tools
  3. Click Options
  4. Click Other tab
  5. Click Advanced Options
  6. Click Addin Manager
  7. Remove any reference to Google Desktop (or any other addin not native to Outlook)
  8. Click OK
  9. Repeat steps 1 through 8 for the Com-Add-ins button