Skip to content
Guides retested on the current Windows build Updated 28 Sep 2026 About Contact
W WindowsTechIT
  • Drivers
  • HDMI Solutions
  • Windows 11
  • Error Codes
  • Microsoft Edge
  • Drivers
  • HDMI Solutions
  • Windows 11
  • Error Codes
  • Microsoft Edge

Fixing Windows since 2010

Paste the error. Get the fix.

Tested, step-by-step repairs for Windows 11, Windows 10, drivers, Edge and HDMI problems — written and re-verified by one engineer, not a content farm.

 wti — fix lookup
TRENDING:

400+ guides 16 years of Windows fixes Every step tested on a real PC

Most-searched fixes this week

  1. 01Windows 11 Firewall: Allow Any App in Under a MinuteWindows 11 · 8 min read
  2. 02Windows 11 Taskbar Color: The Ultimate 2026 Style GuideWindows 11 · 8 min read
  3. 03Run Command Prompt as Administrator Automatically (Windows 11)Windows 11 · 8 min read
  4. 04Fix Windows 11 Update Stuck Checking for Updates (2026)Windows 11 · 9 min read
  5. 05Windows 8.1 End of Life: Your Complete 2026 Action PlanWindows 11 · 8 min read

Latest news

Everything new on WindowsTechIT

Newest guides and fixes first, straight off the bench.

0xc000007b error windows fixJuly 16, 2026

0xc000007b vs 0xc00007b vs 0x000007b: Which Error Do You Actually Have?

DLL Causes 0xc000007b error fixJuly 16, 2026

Which DLL Causes 0xc000007b? The Complete Diagnostic Guide (2026)

disable mandatory aslr gta 5 0xc00007b fixJuly 16, 2026

Stop the GTA 5 0xc00007b Error: 9 Easy Fixes for 2026

0xc000007b windows 11 error fix guideJuly 16, 2026

0xc000007b error fix Windows 11 64-bit

best ssd for fast wake time windows 11June 30, 2026

Best SSDs to Improve Wake-from-Sleep Speed on Windows 11

power management monitors windows 11June 30, 2026

Top 5 External Monitors with Built-In Power Management for Windows 11

best power smart strips for windows 11 pcsJune 29, 2026

Best Smart Power Strips to Save Energy with Your Windows 11 PC

best ups battery backup windows 11June 29, 2026

Best UPS Battery Backups for Windows 11 Desktop PCs (Reviews & Buying Guide)

←1…34567…52→

Kept current

Recently retested

Older guides brought back up to date against the current Windows build.

unblock an app windows firewallWindows 11

Windows 11 Firewall: Allow Any App in Under a Minute

Quick Answer Open Windows Security, go to Firewall & Network Protection, and then click “Allow an app through firewall.” Click “Change settings” to unlock the list, find the app, and check both…

Palla Sridhar17 Sep 20268 min read
01Windows 11 Taskbar Color: The Ultimate 2026 Style GuideWindows 11 · 17 Sep02Run Command Prompt as Administrator Automatically (Windows 11)Windows 11 · 17 Sep03Fix Windows 11 Update Stuck Checking for Updates (2026)Windows 11 · 16 Sep04Windows 8.1 End of Life: Your Complete 2026 Action PlanWindows 11 · 15 Sep05How to Scan a File or Folder With Windows DefenderWindows 11 · 14 Sep
windows 11 settings app not working 1Windows 11

Fix Windows 11 Settings App Not Opening: Every Method

Quick answer If the Windows 11 Settings app won’t open, first press Win + I and Win + R >…

Palla Sridhar14 Sep 20267 min read
windows 11 multiple desktopsWindows 11

10 Windows 11 Virtual Desktop Tips That Actually Work

Quick answer Windows 11 virtual desktops let you create multiple separate workspaces on a single screen, managed through Task View…

Palla Sridhar13 Sep 202615 min read
preferred dns serverError Codes

0x8024402C Explained: Cause, Fix, and Prevention

Quick answer Error 0x8024402C means Windows Update couldn’t resolve the server name it needs to connect to—either the internet connection,…

Palla Sridhar11 Sep 20266 min read

Topic hubs

Whole problems, solved end to end

Each hub collects every guide on one subject, so you can work through a fault instead of hopping between search results.

Fix Error Code Solutions

Every guide on error codes, collected in one place.

  • 0x8024402C Explained: Cause, Fix, and Prevention
  • How to Fix Install Error 0x80070306 on Windows 11: 5 Community-Verified Solutions
  • How to Fix Error 0x80242016 – Failed to Install on Windows 11: 5 Confirmed Solutions
  • Windows 11 Upgrade Error 0x8007042b: Real Causes and Community-Verified Fixes
  • How to Fix Error 0xc1900101 on Windows 11: 5 Solutions That Actually Work
  • What Is Bluetooth Audio Gateway Service (BTAGService)? How to Fix It in Windows 10 & 11

HDMI Guides that Talk

Every guide on hdmi solutions, collected in one place.

  • How to Change HDMI Output Resolution on Windows 11 (And Fix a Blurry TV)
  • HDMI Port Settings: What You Can (and Can’t) Configure on Windows 11
  • HDMI Connect in Laptop: Setup, Settings, and the Fixes That Make It Look Right
  • HDMI Input vs Output: Which One Your PC Has (And Why It Matters)
  • 30 Solutions to No Sound Through HDMI Windows 10 Problem
  • How to Fix Acer Laptop Speakers Not Working in Windows 11 and 10 [2026]

Edge Guides, Tutorials and Troubleshooting

Every guide on microsoft edge, collected in one place.

  • “Isn’t Commonly Downloaded” SmartScreen Warning: What It Means & How to Fix It
  • How to Change the Default Account in Microsoft Edge (2 Accounts Explained)
  • edge://settings/profiles: The Complete Guide to Edge Profile Settings (2026)
  • How to Set the Default Profile in Microsoft Edge (2026 Guide)
  • Fix “Your Browser is Managed by Your Organization” in Microsoft Edge
  • 4 Simple Ways to Disable Copilot in Edge after 24H2 update
PS

P Sridhar

FOUNDER & SOLE AUTHOR · WINDOWSTECHIT.COM

I’ve been writing Windows troubleshooting guides here since 2010. Every fix on this site is one I’ve reproduced on a real machine first — if a step stops working on the current build, the guide gets updated rather than left up.

Publishing since 2010 400+ guides Tested on Windows 10 & 11

One email. Only when something breaks.

A short note when a Windows update causes a widespread problem — with the fix already written and linked.

[mc4wp_form id=58876]

No spam. Unsubscribe in one click.

W WindowsTechIT

Independent Windows troubleshooting since 2010. Written, tested and maintained by P Sridhar.

Popular topics

  • Windows 11
  • Error Codes
  • Windows 10
  • Microsoft
  • HDMI Solutions

Topic hubs

  • Error Codes
  • HDMI Solutions
  • Microsoft Edge

About

  • Palla Sridhar
  • Accessibility
  • Privacy Policy
  • Disclaimer
  • Terms and Conditions
  • Contact Us
  • HTML SITEMAP

Affiliate disclosure: some links on WindowsTechIT are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Recommendations are based on hands-on testing.

© 2010–2026 WindowsTechIT Windows and Mobile Technology
Scroll to top