The problems could be related to establishment errors or something technical. When you founding the windows update error 0x80070015. You can update your windows with the manual process and fix the error on your PC.
Yahoo is a famous mailing email service provider. where you send and receive emails easily. But several times users facing some technical errors in email such as yahoo mail not working, yahoo email not receiving emails, etc. Here you can know the complete solution to resolve the problems with simple steps.
HP is a world-known manufacturer company of computer hardware and related software programs. Several people facing that the printer is showing offline error. If you suffering this problem again and again then you need to check your connection connectivity and USB cable. The printer offline problem can also seem when you are using a faulty USB cable. If you need more information, follow the mentioned link of the paragraph.