A problem with the software. And you have to get Chinese anti-virus software here. The Chinese viruses are more virulent, but the virus killers are designed to deal with problems here. US virus killers aren't up to the job. There are fix it people around, but be selective when you ask for help.
Some people think they know more than they do.
People want to help and will try to help even when they do not know what they are doing. The major computer companies have authorized dealers in China, so if you have a real hardware problem, you can contact the company. It could mean that a local representative will have to send your computer to the one place in China where they do repairs. You can buy all manner of computer accessories in major Chinese cities - mouse, printer, scanner, connecting cables, surge protectors, etc. Major brands are available.