Troubleshooting VMware Workstation Pro Error 0xc000007b on Windows

Symptoms

VMware Workstation Pro fails to start with the error code 0xc000007b.

Environment

Windows operating systems running VMware Workstation Pro.

Most Likely Causes

The error code 0xc000007b typically indicates a problem with the application trying to load a 32-bit application in a 64-bit environment or vice versa. This can also occur due to corrupted files or missing dependencies.

What to Check First

1. Confirm OS build, domain or workgroup state, local admin rights, and whether the host is managed by GPO, Intune, or another baseline.
2. Collect the exact error code, Event Viewer entries, and the command or UI action that triggers the failure.
3. Check whether the issue follows the user profile, machine, network, or application package.

Fix Steps

1. Verify System Architecture Compatibility

   Ensure that the version of VMware Workstation Pro matches your system architecture (32-bit vs 64-bit).

   Example pattern only. Adjust for your environment before running.

   Right-click on 'This PC' or 'My Computer' and select 'Properties'.
   Check the 'System type' to confirm if your OS is 32-bit or 64-bit.

2. Reinstall VMware Workstation Pro

   Uninstall and then reinstall VMware Workstation Pro to ensure all files are intact.

   Example pattern only. Adjust for your environment before running.

   Open 'Control Panel'.
   Select 'Programs and Features'.
   Locate 'VMware Workstation Pro', right-click and select 'Uninstall'.
   Download the latest version from the VMware website.
   Run the installer and follow the prompts to complete the installation.

3. Check for Missing or Corrupted DLL Files

   Use the System File Checker tool to repair missing or corrupted system files.

   Example pattern only. Adjust for your environment before running.

   Open Command Prompt as Administrator.
   Run the command: sfc /scannow
   Wait for the scan to complete and follow any prompts to fix issues.

4. Install Microsoft Visual C++ Redistributables

   Ensure that all necessary Visual C++ Redistributables are installed, as VMware may depend on them.

   Example pattern only. Adjust for your environment before running.

   Visit the Microsoft website to download the latest Visual C++ Redistributable packages.
   Install both the x86 and x64 versions.

5. Update Graphics Drivers

   Outdated or incompatible graphics drivers can cause the error. Update your graphics drivers to the latest version.

   Example pattern only. Adjust for your environment before running.

   Right-click on 'Start' and select 'Device Manager'.
   Expand 'Display adapters'.
   Right-click on your graphics card and select 'Update driver'.
   Choose 'Search automatically for updated driver software'.

6. Run VMware Workstation Pro as Administrator

   Running the application with elevated privileges can sometimes resolve startup issues.

   Example pattern only. Adjust for your environment before running.

   Right-click on the VMware Workstation Pro shortcut.
   Select 'Run as administrator'.

Validation

• The failing Windows action completes after reboot or service restart if the remediation requires one.
• Event Viewer stops logging the same error ID for the same component during a retest.
• The fix works for the affected standard user context, not only for an elevated administrator session.

Logs to Check

• Event Viewer: System, Application, Setup, WindowsUpdateClient, TerminalServices, or PowerShell logs as relevant.
• CBS.log, DISM.log, or WindowsUpdate.log when servicing or feature installation is involved.
• Security, RDP, or application-specific logs for authentication and session failures.

Rollback and Escalation

• Record the original registry, service, feature, policy, or firewall value before changing it.
• Undo temporary local policy, firewall, or service changes after validation.
• Use a restore point, VM snapshot, or exported configuration when changing servicing, boot, or security settings.

Escalate When

• Escalate if the same error persists after rollback and a clean retry from the original failing path.
• Escalate if logs show authorization, data loss, certificate, replication, or production availability risk outside the local service owner scope.

Edge Cases

• If the error persists after following the above steps, consider checking for Windows updates or performing a clean boot to eliminate software conflicts.

Notes from the Field

• If the machine is domain-managed, local fixes can be overwritten. Check the winning GPO or MDM policy before repeating the same change.
• Prefer read-only collection first on Windows incidents because many repair commands change component store, services, or user profile state.