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WordPress Updates Fails with cURL error 18: transfer closed with X bytes remaining to read

October 28, 2019

While doing routine WordPress updates I came across this error:

cURL error 18: transfer closed with X bytes remaining to read

After some investigation I found that my hosting server was unable to download files. Much of the advice I found suggests issues with cURL, PHP, or WordPress. If possible I advise checking the host server first. Verify that it can download the update file.

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about me

An information technology professional with twenty year's experience in systems administration, computer programming, requirements gathering, customer service, and technical support.