The most common cause is that the host's CPU virtualization extensions are disabled. Restart your computer and enter the (usually by pressing during startup). Look for settings named Intel VT-x Intel Virtualization Technology AMD-V / SVM Mode Set these to , save your changes, and restart. 2. Disable Hyper-V (Windows Hosts)
Open VMware Player > Select VM > Edit Virtual Machine Settings. Options Tab: Go to "Advanced."
vcpu-0 stands for . In a VM, CPUs are numbered starting from 0. Therefore, this error signifies that the very first virtual processor assigned to the machine has crashed.
Windows power management can throttle CPU clock speeds aggressively, causing the vcpu-0 timing fault.
This error is the virtual equivalent of a car failing to start in the morning. It stops productivity dead in its tracks and often provides very little explanation regarding the root cause. The error code (vcpu-0) indicates that the Virtual Central Processing Unit (CPU) assigned to the guest machine has encountered a fatal exception—usually caused by a conflict between the host hardware, the host operating system, and the VMware software itself.
# Disable automatic CPU power management cpuid.1.edx = "0000:1111:1010:1011:1111:1011:1111:1111" # Force VMware to use hardware virtualization even if conflicts exist vhv.enable = "TRUE" # Disable nested page tables (NPT/EPT) – often causes vcpu-0 errors monitor.virtual_exec = "hardware" monitor.virtual_mmu = "software" # Set a static TSC frequency disable_acceleration = "FALSE"
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO) |
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last database update 10/07/2025 MGI 6.24 |
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