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I tried to install updates from the update manager but it always displays an error message Failed to download package file and the details is:

Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/h/hplip/hplip-data_3.10.6-1ubuntu10.2_all.deb The HTTP server sent an invalid Content-Range header [IP: 91.189.92.167 80]

Please can someone help me out.

Thanks for your response...

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1 Answer 1

It looks like a package partially downloaded and is having trouble completing. Open up a terminal and run

sudo apt-get clean

Then try the update again.

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