We have observed that when attempting to run a VirtualBox image in Oracle VirtualBox, an error appears stating that VirtualBox is not signed with a build certificate ...

It is the very first troubleshooting suggestion you should follow in order to get rid of this problem from your Windows computer. Third-party virtual machine apps, such as VirtualBox, VMware ...

Microsoft has pulled a recent Microsoft Defender update that was supposed to fix a known issue triggering persistent restart alerts and Windows Security warnings that Local Security Authority (LSA) ...