There are several reasons you might be encountering NDIS.SYS is a missing error, including corrupted system files, malware infections, outdated or corrupt drivers, Windows registry problems, etc.
To fix NDIS.SYS error, you should first start from very basics: update your Windows operating system to the latest version. Then, scan your computer for malware with a reliable security application. For more advanced options, you will have to update or roll-back network drivers, check the disk for errors, run SFC and DISM scans, etc. For a full guide, please check this link: https://ugetfix.com/ask/how-to-fix-blue-screen-driver_irql_not_less_or_equal-ndis-sys-on-windows-10/.
There are several reasons you might be encountering NDIS.SYS is a missing error, including corrupted system files, malware infections, outdated or corrupt drivers, Windows registry problems, etc.
To fix NDIS.SYS error, you should first start from very basics: update your Windows operating system to the latest version. Then, scan your computer for malware with a reliable security application. For more advanced options, you will have to update or roll-back network drivers, check the disk for errors, run SFC and DISM scans, etc. For a full guide, please check this link: https://ugetfix.com/ask/how-to-fix-blue-screen-driver_irql_not_less_or_equal-ndis-sys-on-windows-10/.
Ugetfix team