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PC troubleshooting guides

Choose a symptom, check the prerequisites and follow the guide for your product. Each article explains how to check the result and what to do if the problem continues.

WSL, Hyper-V and virtualization will not start ↗

Find WSL installation, Hyper-V and Windows Sandbox guides. Check the Windows edition, virtualization requirements and exact error before changing a Linux installation.

Shared folder, SMB and Remote Desktop connection errors ↗

Diagnose inaccessible shared folders, rejected credentials and Remote Desktop connections. Match the authentication method, network path and remote computer requirements.

Steam and Epic Games launch, download and sync errors ↗

Find game launcher fixes by error code and operation. Separate game file repair from cloud save synchronization and protect progress before making changes.

AMD, Intel and NVIDIA driver installation errors ↗

Match graphics driver installer errors to GPU support, Windows requirements and pending updates. Check the package and PC manufacturer guidance before reinstalling.

No sound, microphone or camera in Windows apps ↗

Check Windows device detection, permissions and app input selections for missing audio or video. Compare multiple apps to narrow down the source of the problem.

Bluetooth, USB and device detection problems ↗

Find Bluetooth pairing, USB detection and Device Manager error guides. Match the device model and code before changing drivers or removing a device.

Installation and license activation failures ↗

Diagnose driver, Windows feature and Office installation or activation errors. Check product support and account requirements before modifying the installation.

Browser connection, DNS and certificate errors ↗

Find Chrome and Firefox connection error guides. Check other sites, the network, system time and certificate details to identify why a page cannot open.

Windows Update and upgrade failures ↗

Look up Windows Update failures by error code, Windows version and KB number. Identify the stage that fails and distinguish a known issue from general troubleshooting.

Apps will not start, crash or freeze ↗

Find startup and crash guidance for Outlook, Teams, Chrome, Firefox and other apps. Check version-specific issues and follow the recovery steps for the affected app.

Graphics driver and display problems ↗

Find GeForce, Radeon and Windows display troubleshooting guides. Match the GPU, driver and affected application before updating or rolling back a driver.

Wi-Fi, network and file synchronization problems ↗

Diagnose internet connection, OneDrive sync and network printing problems. Separate a device-wide connection failure from an error in one application.

First time troubleshooting?

Record the error and the operation that failed, then check the product and version. If a known issue matches your version, read its current fix status before making changes.

Step-by-step guides 132

◫Minecraft for Windows / Minecraft LauncherTroubleshooting guide

Minecraft GAME_MISSING: checks before reinstalling Bedrock

Minecraft Launcher displays Error Code: GAME_MISSING instead of opening the game

Minecraft Launcher cannot open Minecraft for Windows (Bedrock) on a Windows PC. Keep this separate from Java Edition mod or exit-code problems.GAME_MISSING
Checked 2026.09.11Read guide ↗
▦Windows 11 / .NET Framework 3.5Troubleshooting guide

Enabling .NET Framework 3.5 fails with 0x800F081F

.NET Framework 3.5 cannot be enabled in Windows Features

Windows 11 25H2 and earlier. Windows 11 26H1 (build 28000) and later use a standalone installation method and are outside this scope0x800F081F
Checked 2026.09.05Read guide ↗