Hammond Industries has appointed Gavin as the network administrator to set up a complete secured and flawless network throughout the office premises. One of the employees has come to him to fix an error message that keeps popping up every time he tries to open the web browser. He also states that this error started popping up after the external hard drive had been used to transfer some of the necessary documents to the HR's office. What could be the possible cause of this error message?
1) The web browser is outdated and needs to be updated
2) The external hard drive has a virus that infected the computer
3) The network settings on the computer are misconfigured
4) The necessary documents transferred to the HR's office are corrupted