It Came from the Internet (Give Yourself Goosebumps 33) by RL Stine

<span style="color: #333333; font-family: 'Amazon Ember', Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">A creepy computer message is flashed on your screen. It says your web crawler has a virus and if you don't get rid of it you'll catch the virus too. The web crawler is right out of your computer now you've got the computer and its erasing your memory. Can you find a cure before you come to know what's going wrong with you?</span>