| ROURKELA DEVELOPMENT AUTHORITY |
After applying the appropriate solution, verify that the issue is resolved.
| Cause | Description | |-------|-------------| | | After a Linux kernel update, the Guest Additions modules were not rebuilt automatically. | | Missing build tools | The guest OS lacks gcc , make , perl , or kernel headers needed to compile modules. | | Secure Boot (UEFI) | The host or guest has Secure Boot enabled, blocking unsigned kernel modules. | | Running outdated Guest Additions | The Guest Additions version does not match the VirtualBox host version. | | Corrupted installation | An interrupted or partial installation left broken module files. | | Conflicting modules | Another virtualization tool (e.g., VMware tools, KVM) may conflict. | | Incorrect guest OS type | Very old Linux kernels (<2.6) or unusual architectures (ARM, 32-bit on 64-bit host). | After applying the appropriate solution, verify that the
If nothing appears, the module is not loaded. | | Secure Boot (UEFI) | The host
VirtualBox 6.1.x was the last version to support kernels <3.10. Use an older VirtualBox version or upgrade the guest OS. | | Conflicting modules | Another virtualization tool (e
Install the required build tools and headers: sudo apt install build-essential dkms linux-headers-$(uname -r) Re-run the Guest Additions installer. For RHEL / CentOS / AlmaLinux / Rocky Linux