⚡ Fix Virtual Machine Performance

Last updated: January 3, 2025

Make a virtual machine run better: the right CPU cores, dynamic memory, GPU acceleration, quicker virtual disks, power settings and VM benchmarks.

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What this helps with

What to expect: Medium difficulty • usually about 30-45 minutes.

This is one of 27 Virtualization & Containers fixes in the WindowsHelper library. The full step-by-step fix for this is in the WindowsHelper app.

Related fixes in Virtualization & Containers

• 🖥️ Configure Virtual GPU Passthrough

  Give a virtual machine real graphics power with Hyper-V GPU partitioning or full GPU assignment, and fix passthrough problems like Code 43 and black screens.

  Medium45-60 minutes
• 🌐 Configure Virtual Machine Networking

  Connect virtual machines with NAT, external, internal or bridged networking, forward ports, isolate test networks and fix VMs with no internet.

  Medium30-45 minutes
• 🖥️ Configure VirtualBox Setup

  Install VirtualBox, create a virtual machine, add Guest Additions, set up display, USB and shared clipboard, and fix common VirtualBox errors.

  Medium30-45 minutes
• 🐳 Fix Docker Desktop Issues

  Docker Desktop stuck on starting? Check prerequisites and fix the Docker engine, WSL 2 errors, image pull failures, container networking and high memory use.

  Medium45-60 minutes
• 💾 Fix Virtual Machine Storage

  Resolve virtual machine disk space issues including expanding VHDs, thin provisioning, snapshot management, and dynamic disk allocation in Hyper-V and VirtualBox.

  Medium30-45 minutes
• 🐳 Resolve Container Development Issues

  Fix container development problems: Docker setup, Dockerfile build errors, port conflicts, container networking, volume permissions, image size and Compose.

  Medium30-45 minutes
• 🛡️ Resolve Virtualization Security

  Secure virtual machines and containers: Windows Sandbox, VM isolation, Credential Guard, Secure Boot for VMs, VM traffic auditing and Docker hardening.

  Medium45-60 minutes
• 🐧 Resolve WSL Integration Issues

  Fix WSL 2 problems: installation and kernel update errors, memory and CPU limits, Linux distributions, file access between Windows and Linux, and networking.

  Medium30-45 minutes
• Configure Windows Sandbox

  Enable, configure, and troubleshoot Windows Sandbox for safely testing software and browsing in an isolated disposable environment.

  Medium15-45 minutes
• Set Up VM Backup and Snapshots

  Create, manage, and restore Hyper-V checkpoints and VM backups to protect your virtual machines from data loss.

  Medium15-45 minutes

You might also run into

• 💾 Optimize Virtual Memory

  Tune virtual memory: check RAM and page file use, let Windows manage the page file or set a custom size, and move it to a faster drive.

  Medium30-45 minutes
• ⚡ ARM x64 Performance Issues

  Speed up x64 apps on ARM Windows PCs: switch to native ARM64 versions, tune Prism emulation, GPU acceleration and memory, and cut battery drain.

  Medium30-45 minutes
• Cloud Services Performance Impact

  Reduce the performance impact of cloud sync services on your PC. Covers CPU throttling, disk I/O optimization, startup delay, and selective sync tuning.

  Medium30-45 minutes
• 🔥 Fix CPU Throttling and Performance Issues

  Resolve CPU thermal throttling, turbo boost not activating, clock speed stuck low, and processor underperformance on Windows systems

  Hard20-35 minutes