#Performance

2 guides

Diagram-style cover showing a VirtualBox VM competing with Windows 11 Hyper-V features for CPU virtualization extensions

Virtualization (Hyper-V, VMware, VirtualBox)

How to Fix VirtualBox VM Running Very Slow on Windows 11

VirtualBox crawling on Windows 11? Hyper-V, Memory Integrity, and WSL2 steal VT-x. Learn what to disable, how to allocate resources, and enable nested paging.

Sysadmin Desk Jul 20, 2026 8 min read

Claude Code context window filling with tool definitions from too many MCP servers

AI Coding Tools & Models

When Too Many MCP Servers Eat Your Claude Code Context Window

MCP servers cost context tokens before you type. Why each connected server's tools eat your context window, how to measure it, and how to fix it in Claude Code.

MCSA Guru Team Jun 13, 2026 5 min read