In the archaeology of operating systems, few fossils are as intriguing as a file that seems to belong to a future that never quite arrived. Such is the case with hidclass.sys on Windows 98.
For most users, Windows 98 was the blue-screening, plug-and-play-nightmare kingdom of VxD drivers, IRQ conflicts, and the dreaded “Windows Protection Error.” Its driver landscape was dominated by .vxd (Virtual Device Driver) files. So when a tech historian or a retro-computing enthusiast stumbles upon a reference to hidclass.sys —a kernel-mode driver for the Human Interface Device standard, widely associated with Windows 2000 and XP—a peculiar question arises: Did Windows 98 really support HID? hidclass.sys windows 98
For the retro enthusiast building a Windows 98 gaming rig today, the rule remains: stick to PS/2 keyboards and mice. Let the ghost of hidclass.sys rest. It tried its best—and that’s more than most Windows 98 drivers ever did. In the archaeology of operating systems, few fossils