windows-fixes
How to Check Battery Health on Windows 11 (Terminal Guide)
Check your laptop battery health and cycle count on Windows 11 without third-party software. Step-by-step native powercfg command runbook and wear guide.
7m read
Fix Windows. Automate IT. Ship with AI.
Python scripts, Windows fixes, SEO guides, and AI automation workflows. These are tested and documented by an IT Operations Lead, providing real code that actually runs without any fluff.
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windows fixes
vmmemWSL High Memory & CPU Usage: Windows 11 Fix (24H2)
Fix vmmemWSL high memory and CPU usage on Windows 11 24H2. We test autoMemoryReclaim, sparse VHDX disks, and custom .wslconfig limits on developer rigs.
6 min read
windows fixesFix WSL2 error: externally-managed-environment on Ubuntu
Fix WSL2 "error: externally-managed-environment" on Ubuntu 24.04 without breaking apt. Tested venv setups, pipx isolation, and VS Code Remote interpreter bindings.
6 min read
it operationsTMOG vs Process Explorer vs Task Manager: Benchmarked (2026)
We benchmarked TMOG, Process Explorer, System Informer, AppControl, and Windows Task Manager on Windows 11 24H2. Footprint, handles, and telemetry tested.
9 min read
Flagship Hubs
Cornerstone Engineering Guides
Deep-dive workbench audits, protocol benchmarks, and verifiable deployment runbooks.
Privacy & Sovereignty
DeGoogle Starter Pack: 2026 Telemetry Audit
We audited 3,400+ packets and tested open-source replacements for Search, Mail, Drive, and Android.
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Windows Diagnostics
Windows 11 25H2 Upgrade & CBS Servicing Fix
Empirical benchmarks across 10 test rigs, memory overhead tests, and automated CBS repair runbooks.
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AI Infrastructure
Ollama vs vLLM vs LM Studio: Local LLM Benchmark
Tokens-per-second, VRAM overhead, and latency benchmarks across RTX 4090 and WSL2 setups.
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Web Analytics
GA4 Realtime vs Standard Reports Diagnostics
Step-by-step triage for event delays, Consent Mode v2 payload drops, and BigQuery streaming exports.
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Free Developer Utilities
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Local AI & GPU
LLM VRAM Calculator
Calculate exact GPU VRAM headroom, context size limits, and KV cache consumption for quantized models.
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BSOD & Update Repair
Windows Error Fixer
Instant stop-code triage for 0x800f081f, WHEA 0x124, KMODE crashes, and stuck CBS update loops.
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DevOps & Linux
WSL2 .wslconfig Generator
Generate tuned memory limits, swap caps, and automatic VHD shrinking configurations to stop vmmem memory leaks.
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Compare 5-year enterprise licensing, per-user rates, and hidden SSO fees across Bitwarden, 1Password, and Keeper.
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windows-fixes
How to Find WiFi Password on Windows 11 (Settings & CMD)
Recover saved Wi-Fi network passwords on Windows 11. Step-by-step guide using native Settings, CMD netsh commands, and a bulk PowerShell export script.
7m read
windows-fixes
How to Screen Record on Windows 11 (No Watermark Shortcuts)
Screen record on Windows 11 without watermarks or paid software. Step-by-step guide using native Snipping Tool, Xbox Game Bar, and open-source OBS Studio.
7m read
windows-fixes
CrowdStrike vs WannaCry: Windows Downtime Postmortem & Fixes
A forensic workbench postmortem comparing the 2024 CrowdStrike crash with the 2017 WannaCry SMB worm, featuring Safe Mode BitLocker recovery scripts.
8m read
security
Linux Distro Supply Chain Attacks: XZ Utils to Dirty COW
Forensic audit of Linux supply chain attacks and kernel flaws across Debian, Ubuntu, and Arch, featuring detection commands and audit scripts.
9m read
security
Unix & macOS Outages: From Morris Worm to Empty Root Bug
A 38-year retrospective of historic Unix and macOS outages, analyzing the Morris Worm, High Sierra blank root bug, and XcodeGhost toolchain attacks.
9m read
Engineering Standards
How Our Engineering Team Tests & Validates Technical Runbooks
At PraveenTechWorld, we do not summarize vendor changelogs or generate speculative AI theories. Every troubleshooting workflow, PowerShell one-liner, and local AI benchmark published on this site is physically reproduced, tested, and stress-measured across our local hardware workbench and test lab infrastructure.
Bare-Metal & Hyper-V Sandboxes
Windows 11 update failures, blue screen crash dumps (0x124, 0x1E), and driver regressions (nvlddmkm.sys) are induced and diagnosed on dedicated physical test rigs and isolated Hyper-V/Proxmox virtual machines. We verify failure states before testing remediations.
Hardware Telemetry & Benchmarks
Local LLM inference speeds, GPU VRAM headroom, and KV cache footprints are gathered using hardware probes and nvidia-smi telemetry. We run multi-turn synthetic prompts to verify actual out-of-memory thresholds rather than theoretical parameter tables.
Defensive Scripting Standards
All automation scripts, DISM cleanup pipelines, and WSL memory tuning files use defensive try/catch error handling, logging, and non-destructive rollbacks. We provide exact verification commands so sysadmins can safely inspect modifications prior to execution.
Got Questions?
Frequently Asked Questions About PraveenTechWorld
Straight answers about our testing methodology, open-source diagnostic tools, and technical publishing standards.
What is PraveenTechWorld?
PraveenTechWorld is an independent engineering and sysadmin knowledge base founded by Praveen Kumar. Our team publishes field-tested Windows troubleshooting guides, Linux and WSL runbooks, local AI deployment benchmarks, and practical DevOps automation scripts.
How does your team test and verify technical guides before publishing?
Every diagnostic step, registry edit, and PowerShell script is physically verified in our hardware workbench lab on bare-metal workstations and isolated Hyper-V/Proxmox virtual machines running Windows 11 and Linux. We verify error reproduction, capture Event Viewer logs, test the fix, and confirm zero system regression before documentation.
Are the PowerShell commands and scripts safe to run on production machines?
Yes. All scripts are designed with defensive defaults, non-destructive validation flags, and error-handling try/catch blocks. We provide exact manual verification commands alongside automated one-liners so sysadmins can inspect every parameter before execution.
How do I calculate GPU VRAM requirements before running local LLMs?
You can use our free interactive LLM VRAM Calculator at /tools/vram-calculator. It models exact model weight sizes across FP16, Q8, Q4_K_M, and FP8 precision formats, adding real-world KV cache allocations, CUDA context overhead, and OS display memory buffers.
Can I request a custom troubleshooting guide or report an issue?
Yes. You can contact our engineering team directly through our contact page (/contact) or via our Dubai direct WhatsApp desk. We frequently turn reader support requests and exotic enterprise crash logs into comprehensive, step-by-step diagnostic runbooks.
Every guide comes from a real project
AI writes the code, I test it, fix the bugs, and document what actually works. We skip the theory to focus on results.