Latest questions about "scan error"

After scanning two-three documents, I receive an error saying critical error during scanning. The scanning procedure will be aborted. Any idea how to solve this issue?

I'm really desperate. My AVG Free Antivirus cannot update anymore and I cannot scan the computer or files. Every time I try it stops after 5 seconds of scanning.

My HP OfficeJet 4500 G510g-m displays the following message: "Error 0x00000015" when we are trying to scan the document. Can you tell us the problem and how to fix it?

Why is the printer printing but not scanning? What is the error?

When scanning, it will not scan to A4 size. It's always bigger. How do I change this?

My scanner does not scan. It shows that the hardware is not connected on the screen. How can I fix this?

My scanner will only scan to 715 files and then it quits. How can I fix this?

I can't scan because I keep getting an error message "OCR is missing". I've been all over the Internet and can't seem to find what I'm looking for.