These could be any one of the following, but not limited to:Īs you may find upon further investigation, the majority of the files associated with the “IRQL not less or equal” BSoD are associated with drivers or devices that have a corrupted driver. The “IRQL not less or equal” BSoD usually comes with the name of the source file causing the error. Disable/uninstall third-party antivirus software.Fix IRQL Not Less Or Equal BSoD In Windows 10.