Don't look at Event Viewer as a checklist of broken things. That's not the case. Only when you find something is not working corre... Reddit Use the System File Checker tool to repair missing or ... Use the System File Checker tool to repair missing or corrupted system files * Step 1: Run DISM. DISM provides the files required ... Microsoft Support 13 | How to Use Event Viewer to Fix Errors & Warnings ... Feb 20, 2025 —
Checking for errors in Windows 11 is essential for maintaining system stability and performance. Depending on whether you are facing software glitches, hardware failures, or mysterious crashes, there are several built-in tools designed to diagnose and fix these issues. 1. View System Error Logs with Event Viewer The Event Viewer is the most detailed tool for identifying what went wrong during a crash or unexpected behavior. It maintains logs of application and system messages, categorizing them into information, warnings, and critical errors. How to access: Press Windows + X and select Event Viewer . Where to look: Expand Windows Logs and click on System or Application . How to find errors: Use the Filter Current Log option on the right sidebar and check the boxes for Critical and Error to filter out normal background activity. Search for codes: Every log entry has an Event ID . You can search this ID on the Microsoft Support website to find specific solutions. 2. Check for File System Errors (SFC & DISM) If Windows is behaving strangely—such as icons missing or settings not opening—corrupted system files may be the cause. Using System File Checker in Windows - Microsoft Support
Report: How to Check Errors in Windows 11 Date: April 14, 2026 Purpose: To provide a systematic methodology for identifying, diagnosing, and resolving system errors in Windows 11. 1. Introduction Windows 11, like any operating system, can encounter various errors ranging from application crashes and driver issues to disk corruption and memory faults. Effective error checking involves using built-in diagnostic tools, event logging, and system utilities. This report outlines a step-by-step approach to detecting and analyzing errors. 2. Built-in Diagnostic Tools 2.1. Event Viewer (Primary Log Analysis) Event Viewer records system, application, and security events. Steps to use:
Press Win + R , type eventvwr.msc , press Enter. Navigate to Windows Logs > System (for OS errors) or Application (for software errors). Look for entries marked Error (red circle) or Warning (yellow triangle). Double-click an event to see details: Event ID, Source, and Description. how to check errors in windows 11
Key Event IDs to note:
41 – Kernel Power (unexpected shutdown) 1001 – BugCheck (BSOD crash) 7000/7009 – Service startup failures
2.2. Reliability Monitor (User-Friendly History) Shows a timeline of system failures, application crashes, and warnings. Steps: Don't look at Event Viewer as a checklist
Type "Reliability Monitor" in the Start menu and open View reliability history . Review the graph (scale 1–10). Red circles indicate critical events. Click on any date to see detailed error reports.
2.3. Performance Monitor (Live & Logged System Health) Useful for detecting resource-related errors (memory leaks, high disk latency). Steps:
Press Win + R , type perfmon /rel , press Enter (opens Reliability Monitor directly). For advanced data collection: open perfmon.msc > Data Collector Sets > System > System Performance > right-click Start . Reddit Use the System File Checker tool to repair missing or
2.4. Windows Memory Diagnostic (RAM Errors) Detects faulty RAM that causes crashes, freezes, or data corruption. Steps:
Type "Windows Memory Diagnostic" in Start. Choose Restart now and check for problems . The system will reboot and run a memory test. Press F1 to change test mix (Standard/Extended).