At 2:13 AM, the conversion finished. She shut down the source, powered on the VM, and the app came up without a hitch.
And somewhere in a data center, another Windows box silently stopped breathing, waiting for its own 2 AM hero. At 2:13 AM, the conversion finished
Scrolling near the failure timestamp, she found the clue: At 2:13 AM
She checked if the driver was even present. On the source machine, she opened C:\Windows\System32\drivers and looked for vmware-ctk.sys . Nothing. That meant Converter never installed it properly—or the OS blocked it. powered on the VM
She opened gpedit.msc and checked: System > Device Installation > Specify digital signature verification for device drivers. It was set to "Block." Even test-signed drivers were rejected.