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Bugs Killed

Windows

Virtual machine freezing and slowness after missing updates

The virtual machine was freezing and applications were slow even after rebooting. The technician installed the missing important updates and restarted the computer, which restored normal performance.

Killed once by someone from XL.net, on 2026-01-12.

Affects

Versions

  • Windows

What you see

  • Virtual machine freezing
  • Applications running slowly even after restart

Why it happens

Likely Missing important updates were the likely cause, because installing them and restarting cleared the slowness and freezing.

When it shows up

A Windows computer's virtual machine is still slow or freezing after the user has already restarted both the computer and the VM.

You are in this case if:

  • Important updates are missing during troubleshooting

1 fix below

The steps that killed it

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Someone from XL.net killed this on a Windows computer on 2026-01-12. It is written up from that one repair, so it cites no outside page.