In this article, we explain the reasons why the AsIO3.sys file may not be accessible and how you can fix the issue. Can’t open AsIO3.sys!

If you can't delete an ISO file as the file is open in your System, check if it is mounted as a drive or not. Uses these proven fixes to resolve the issue.

Hey,I was wondering if it was possible to edit the "IO.sys" file on my Windows 98se boot disk. So, instead of saying "Microsoft Windows 98 Startup Menu"at the header of the boot menu (1 start ...