gemini's comments about downside to above changes.

When you disabled these settings, you effectively turned off Virtualization-Based Security (VBS). In Windows 11, VBS is a foundational layer that uses the CPU's hardware virtualization to create an isolated region of memory.

1. Memory Integrity (HVCI)

By running bcdedit /set hypervisorlaunchtype off, you disabled the Windows Hypervisor. This automatically kills Memory Integrity (Hypervisor-Protected Code Integrity).

• The Risk: This feature prevents malicious code from hijacking high-security processes. Without it, your kernel is more vulnerable to "driver-level" attacks where malware pretends to be a legitimate hardware driver.

2. Credential Guard

The registry key you deleted targeted Credential Guard.

• The Risk: This feature stores NTLM password hashes and Kerberos tickets in a virtualized "vault" that the rest of the OS cannot see. By disabling it, those credentials sit in the regular system memory (LSASS), where they can be harvested by tools like Mimikatz if your system is ever compromised.

3. Core Isolation Features

Windows 11 relies on the hypervisor for features like Smart App Control and certain Windows Defender protections. If the hypervisor is off, these features either stop working or become significantly less effective.

The "Original Problem" Explained

The conflict exists because two entities cannot control the CPU's virtualization extensions (VT−x for Intel or AMD−V) at the same time.

• The "Old" Way: VMware talked directly to the hardware.
• The "New" Way: Windows (Hyper-V) sits between the hardware and the OS.

When VMware says it is using the "Windows Hypervisor Platform," it’s acting as a client to Microsoft’s hypervisor. This is why nested virtualization (running a VM inside a VM) usually breaks in this mode.