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Why do I get a '1921 error' when installing the host?

'Error 1921' is a Windows system service error. This indicates that LogMeIn Pro's service was installed, but is unable to start properly.

To resolve, reboot the computer, ensure any firewall software is temporarily turned off, and then try a reinstall. If you still have an issue, you can try rebooting your computer again.

Article last updated: 27 September, 2022