| Event Id | 42 |
| Source | IMAP4SVC |
| Description | A previous instance of the service has been detected. The service will not start until the previous instance is fully removed. Retry starting the service at a later time. The error code is in the data portion of this event. Error description: %1. |
| Event Information | Restart the computer. Call Microsoft Technical Support if this event continues to occur. |
| Reference Links |
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