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Kernel Panic Not Syncing Attempted to Kill the Idle Task
In some cases, you got the error Kernel Panic – not syncing: Attempted to kill the idle task when you trying to install an Ubuntu 18.04 VM in VirtualBox.
![asRGdjfaRCd6cNnSUTlPaIInemFuPXoEymEXZe8n4VM08VNVsLj8lHPo8ISk](https://s3.amazonaws.com/s3.bonben365.com/files/2023/asRGdjfaRCd6cNnSUTlPaIInemFuPXoEymEXZe8n4VM08VNVsLj8lHPo8ISk.jpg)
The solution is quite simple:
1️⃣ To fix it, let turn off the Ubuntu VM.
2️⃣ Open VM Settings | Select System section.
3️⃣ Under the System options, select Processor tab then assign more than 2 processor cores for the VM. Click OK to save the change then start your VM.
![Wa6RL5JstDE8I7PVDNITO23QEZFceGLw67ieT5iazqcgA5FmHhg0AAhLZDaf](https://s3.amazonaws.com/s3.bonben365.com/files/2023/Wa6RL5JstDE8I7PVDNITO23QEZFceGLw67ieT5iazqcgA5FmHhg0AAhLZDaf.jpg)
4️⃣ As you can see, the error was gone, and now you able to install a new Ubuntu VM in VirtualBox.
![LGS1KblCQM4DTRZSmGdtZ01ISxkSF9oOcpobWE6HT3JNV8DpEDKWk0xGrw2V](https://s3.amazonaws.com/s3.bonben365.com/files/2023/LGS1KblCQM4DTRZSmGdtZ01ISxkSF9oOcpobWE6HT3JNV8DpEDKWk0xGrw2V.jpg)
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