Passing some info from another website but similar problem. Adding this line to the CPU section fixed my problems that were still arising post-update and the booting. <cpu> <feature policy='disable' name='arch-capabilities'/> </cpu> May want to disable TPM, according to your situation, by deleting the following: <tpm model='tpm-tis'> <backend type='emulator' version='2.0' persistent_state='yes'/> </tpm>