Are you getting an error uploading a thumbnail? You will more likely get the message on Google Chrome since it is popular and gives users the option to install extensions.

Extensions
As mentioned, you can install extensions and you may have recently installed or updated an extension that has blocking or strong privacy features and now it is blocking you from uploading the thumbnail. Don’t believe me? Sign in with another browser or use the Incognito Mode where the extensions should be off by default. If that works, you now have to hunt and see which extension is the cause or keep on of the many free Internet browsers on hand to switch to for uploading.

Upload
Uploading a video to YouTube while trying to upload the thumbnail can cause issues as well so you may want to wait until the video is fully uploaded. Before uploading, be sure that you have one of the many supported browsers for YouTube to reduce or eliminate issues.

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Stephan Pringle

Chief Executive Officer at Sipylus

About The Author: Stephan Pringle is an Information Technology Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.

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