Because of the importance of in the functionality of Operating System Reinstallation CD W2K SP3 and other Windows functions, any corruption or damage to this file can create critical system errors in the form of a "blue screen of death" (BSOD).
Please see "Causes of Errors" below for more information.
You'll be able to ask questions about Vista or chat with the community and help others.
Without driver files such as hidclass.sys, you wouldn't be able to do simple tasks such as printing a document.
SYS file errors are typically caused by faulty hardware or corrupt device driver files.
Maintaining a driver backup provides you with the security of knowing that you can rollback any driver to a previous version if necessary.
With updated device drivers, you can finally unlock new hardware features and improve the speed and performance of your PC.
Installing the wrong driver, or simply an incompatible version of the right driver, can make your problems even worse.
Because of the time and complexity involved in updating drivers, we highly recommend using a driver update tool such as Driver Doc (Developed by Microsoft Gold Partner) to automate the process.More specifically, these errors can be caused by: Caution: We do not recommend downloading from "SYS download" sites.These sites distribute SYS files that are unapproved by the official file developer, and can often be bundled with virus-infected or other malicious files.Incorrectly editing your registry can stop your PC from functioning and create irreversible damage to your operating system.In fact, one misplaced comma can prevent your PC from booting entirely!Drivers can work one day, and suddenly stop working the next day, for a variety of reasons.