Microsoft

Fix DNS_PROBE_FINISHED_NXDOMAIN in Chrome and Edge. Find out in 30 seconds whether the domain is broken for everyone or just for you, then apply the right fix.

Fix "The DNS server isn't responding" in Windows 11 and 10. Flush the resolver cache, restart the DNS Client service, switch to reliable DNS servers and clear a stale VPN or router configuration.

Fix "Ethernet doesn't have a valid IP configuration" in Windows 11 and 10. Renew DHCP, reset the TCP/IP stack and Winsock, restart the DHCP Client service, and clear the 169.254 APIPA address.

Learn how to cancel Microsoft 365 subscription for Personal, Family, and Business plans. Understand refund policies, data retention, and what happens after cancellation.

Learn how to check your Microsoft Surface warranty status online. Find your device serial number, view coverage details, and understand warranty options for repair and replacement.

Learn how to permanently delete a Microsoft account. Step-by-step guide covering prerequisites, data backup, account closure, and the waiting period for Outlook, Xbox, and OneDrive.

Microsoft Compatibility Telemetry (CompatTelRunner.exe) at 100% CPU or disk? What it is, how to stop a runaway scan, and how to disable it safely.

Fix Microsoft Authenticator issues including codes not working, push notifications failing, missing accounts, and app crashes. Step-by-step troubleshooting for iOS and Android.

Learn how to identify fake Microsoft security alerts and scams. Recognize phishing attempts, tech support scams, and legitimate Microsoft notifications to protect your accounts.

Learn how to install Windows 11 without a Microsoft account. Set up Windows 11 with a local account using OOBE bypass methods that work in 2025.

Use 2 recovery paths: reset your password by verification code, or submit the recovery form when your backup email or phone is unavailable.

The Windows Defender quarantine location is C:\ProgramData\Microsoft\Windows Defender\Quarantine. Why you cannot open it, and the supported ways to restore files.

Learn how to remove your Microsoft account from Windows 10. Switch to a local account, unlink devices, and remove account traces while preserving your files and settings.

Closed a PowerShell or Windows Terminal window by accident? There's no one-key 'undo', but you can restore Windows Terminal tabs on relaunch, recover every command from PSReadLine history, and resume long-running CLI tools. Step-by-step for Windows 10/11.

Learn how to set up Microsoft Autopilot for zero-touch Windows deployment. IT admin guide covering hardware hash collection, Intune configuration, deployment profiles, and user experience.

Microsoft Mouse and Keyboard Center 14.41 — which app your device actually needs, the official download links, and fixes for detection, pairing and remapping.

Learn how to set up Microsoft passkeys for passwordless authentication. Configure passkeys on Windows, iOS, and Android for secure Microsoft account access without passwords.

Learn how to set up Microsoft Universal Print for cloud-based printing. IT admin guide covering connector installation, printer registration, user assignment, and deployment via Intune.

Learn how to sync Google Workspace with Microsoft 365 for calendar, contacts, and email integration. Set up coexistence scenarios and migrate data between platforms.

Learn how to transfer Microsoft Authenticator to a new phone using cloud backup or manual transfer. Step-by-step guide for moving 2FA accounts between Android and iOS devices.

Learn how to uninstall or disable Microsoft Edge on Windows using PowerShell, registry edits, and official methods. Remove Edge completely or prevent it from running.

Learn how to unlink your Microsoft account from PlayStation 5. Step-by-step guide for disconnecting Microsoft accounts from Minecraft and other cross-platform games on PS5.

How to update Outlook on Windows, Mac, web, and mobile - and how to fix the common failures: Update Options missing, add-ins gone after updating, Outlook broken after a Windows update, and new Outlook not updating like classic.

Update Teams in 2 steps, then fix repeated prompts, a missing update option, or changes that still look stale on desktop and mobile.

The Microsoft account recovery form is for when you have lost access to every verification method. What to enter in each field, and what actually gets approved.

Learn how to set up Microsoft Bookings for customer self-service appointment scheduling. Configure services, staff, booking pages, and Teams integration for your business.

Learn how to use Microsoft Edge password manager to save, autofill, and manage passwords. Enable sync across devices, generate strong passwords, and check for compromised credentials.

Learn how to use Microsoft Lists for project management, asset tracking, and data organization. Create lists, customize views, automate with rules, and integrate with Teams and SharePoint.

Learn how to use Microsoft Partner Center for CSP program, MPN benefits, customer management, and marketplace publishing. Guide for Microsoft partners and resellers.

What is msert.exe? MSERT is Microsoft Safety Scanner, a legitimate portable malware scanner. How to verify it, run it, read msert.log, and why it expires.

Learn how to use Microsoft Update Catalog to manually download Windows updates, drivers, and hotfixes. Find KB numbers, download MSU and CAB files, and install updates offline.

Learn how to identify real Microsoft single-use security code emails from phishing scams. Verify sender addresses, check for red flags, and protect your account from fake verification requests.

Open your Microsoft order history at account.microsoft.com/billing/orders, then work out why an order is missing, what an unrecognised charge is, and where purchase history and billing history differ.

MoUsoCoreWorker.exe (MoUSO Core Worker Process) causing high CPU or stopping your PC from sleeping? Learn what it is, how to confirm it with powercfg /requests, and how to fix it safely without breaking Windows Update.

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome and Edge. Identify who issued the certificate first, tell a benign cause from a real interception, then apply the right fix.

Fix "npm : The term 'npm' is not recognized as the name of a cmdlet, function, script file, or operable program" in PowerShell and cmd. Repair your PATH correctly without clobbering it.

Fix the Outlook error "reported error (0x800CCC0E): Outlook cannot synchronize subscribed folders". Covers the Gmail and Yahoo OAuth credential issue, IMAP and SMTP port settings, blocked ports, and OST corruption.

Learn the differences between PEM and PFX certificate formats. Understand when to use each format, how to convert between them using OpenSSL, and platform compatibility for SSL/TLS certificates.

Fix the "cannot be loaded because running scripts is disabled on this system" error in PowerShell. Learn the safest execution policy scope to change, how to unblock downloaded scripts, and how to verify the fix.

Fix the "Driver is unavailable" printer status in Windows 11 and 10. Reinstall the correct driver, clear the stuck print spooler, and remove the broken driver package so the printer prints again.

Fix the "No internet, secured" Wi-Fi status in Windows 11 and 10. Renew the IP lease, reset the TCP/IP stack, fix DNS, disable adapter power saving and clear a stale VPN or proxy configuration.

Fix error 0x0000011b when connecting to a shared printer. Caused by the CVE-2021-1678 print RPC hardening — patch the print server properly instead of using the registry workaround that weakens print security.

Fix Windows Update install error 0x80070643. Covers the Microsoft Defender KB2267602 signature update failure, the KB5034441 recovery partition error, and component store corruption, with verification steps for each.

Fix Windows Update error 0x80073712 (ERROR_SXS_COMPONENT_STORE_CORRUPT) and the "Some update files are missing or have problems" message. DISM RestoreHealth, offline source repair with install.wim, and in-place repair upgrade.

Fix the WSL "Catastrophic failure" error with code Wsl/Service/CreateInstance/CreateVm/HCS/E_UNEXPECTED. Check .wslconfig, restart the Hyper-V Host Compute Service, and repair virtualization features safely.

Fix the curl command not found error in Windows Subsystem for Linux (WSL). Learn how to install curl on Ubuntu, Debian, and other WSL distributions with step-by-step instructions.

Fix the "Temporary failure in name resolution" error in WSL. Diagnose whether DNS or connectivity is broken, repair /etc/resolv.conf, and solve the VPN case with mirrored networking mode.