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Async statement execution returned with '15', 'locking protocol'

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Mark Foley
Mark Foley
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My Thunderbird on Windows 7 recently upgraded itself to version 45.0. I cleared the Tools > Error Console yesterday, but today I find hundreds of errors in the console log:

Async statement execution returned with '15', 'locking protocol' resource://gre/components/nsPlacesExpiration.js Line: 843

What is this? Is this something to be concerned about?

My Thunderbird on Windows 7 recently upgraded itself to version 45.0. I cleared the Tools > Error Console yesterday, but today I find hundreds of errors in the console log: Async statement execution returned with '15', 'locking protocol' resource://gre/components/nsPlacesExpiration.js Line: 843 What is this? Is this something to be concerned about?