To install the Windows desktop application, you need to have the KB3033929 security update installed on your computer. Occasionally, when installing the KB3033929 security update, the computer says that the update is already installed even though the desktop application says it is not installed. To fix this issue, try these:
- Restart your computer.
- Uninstall and reinstall the security update.
- If neither of these work, contact your IT department for additional assistance