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Windows 10 Troubleshooting Guide | Fix common problems

Windows 10 is a powerful and versatile operating system, but it can also encounter some issues from time to time. Whether you’re dealing with a slow performance, a frozen screen, a network problem, or a malware infection, there are some simple steps you can take to fix common problems and get your Windows 10 PC back to normal. In this article, we’ll show you how to troubleshoot some of the most common Windows 10 issues and provide you with some helpful tips and resources.

How to fix Windows 10 common problems

Understanding the root causes behind Windows 10 problems is crucial for effective troubleshooting and system maintenance. From outdated drivers to hardware failures, various factors can contribute to system instability and malfunctions.

  • Windows regularly receives updates to enhance security and performance. However, conflicts may arise if these updates clash with existing software or drivers.
  • Running an outdated version of Windows 10 may expose the system to security vulnerabilities and compatibility issues.
  • Outdated or incompatible drivers can lead to system instability. This is particularly true when using hardware components that haven’t been optimized for the latest Windows updates.
  • Corrupted system files can disrupt normal system operations, leading to errors, crashes, and performance issues.
  • As with any operating system, Windows 10 is susceptible to malware and security threats. Malicious software can compromise system functionality and jeopardize data integrity.
  • Running out of disk space, insufficient RAM, or an overloaded CPU can significantly impact system performance, leading to slow responsiveness and crashes.
  • Software conflicts, especially with third-party applications, can cause a range of issues. These conflicts might arise from incompatible software versions or poorly designed applications.
  • Failures in hardware components, such as hard drives or memory modules, can manifest as software issues. Diagnosing and addressing these hardware problems is crucial for a stable system.

Windows 10 Slow performance

Slow performance on a Windows 10 system can be a frustrating experience, affecting productivity and user experience. This issue may manifest as delayed response times, extended boot-up periods, and sluggish application performance.

Common Reasons:

  • Background processes, unnecessary startup programs, or resource-intensive applications can contribute to high CPU or memory usage, leading to slow performance.
  • Limited available disk space can hinder system operations, affecting the efficiency of file storage, software installations, and overall system responsiveness.
  • Device drivers that are outdated or incompatible with the operating system may lead to hardware-related performance issues.

Solutions to apply:

  • Open Task Manager (Ctrl + Shift + Esc), review the processes tab, and identify applications or background processes consuming excessive resources. End tasks for non-essential processes.
  • Open Task Manager and navigate to the Startup tab. Disable unnecessary programs from starting with Windows, reducing the load during boot-up.
  • Utilize the built-in Disk Cleanup tool. Press Win + S, type “Disk Cleanup,” select the drive, and clean up system files, including temporary files.
  • Consider upgrading components like RAM or replacing an old hard drive with a faster SSD to enhance overall system performance.
  • Perform a full system scan using Windows Defender or a reputable antivirus program to eliminate potential malware affecting system performance.
  • Visit the Device Manager, right-click on each device, and select “Update driver.” Ensure all drivers are up to date, especially graphics and chipset drivers.

Windows 10 Frozen Screen or System Crash

A frozen screen or system crash can disrupt productivity and indicate underlying issues with hardware or software components.

Common Reasons:

  • Overheating of CPU, GPU, or other components due to inadequate cooling or dust buildup can lead to system freezes or crashes.
  • Outdated or faulty device drivers, especially graphics drivers, can cause system instability and crashes.
  • Incompatibility or conflicts between installed software applications or drivers can result in system crashes or freezes.


  • Monitor system temperatures using third-party software like HWMonitor. Clean dust from fans and ensure proper airflow in the system case.
  • Visit the manufacturer’s website or use Device Manager to update drivers for critical components like graphics cards, chipset, and network adapters.
  • Uninstall recently installed software or drivers that may be causing conflicts. Use System Restore to revert to a previous stable configuration if needed.

Windows 10 Internet not working

Network connectivity issues can hinder access to the internet, local network resources, or external servers, impacting productivity and online activities.

Common Reasons:

  • Outdated or malfunctioning network adapter drivers can cause connectivity issues.
  • Problems with the router or modem, such as firmware bugs, configuration errors, or hardware malfunctions, can disrupt network connectivity.
  • Antivirus software, firewall settings, or VPN configurations can interfere with network connections, leading to connectivity problems.


  • Power cycle the router and modem by unplugging them for 30 seconds and then reconnecting them.
  • Use Device Manager to update network adapter drivers or download the latest drivers from the manufacturer’s website.
  • Temporarily disable firewall or antivirus software to check if they are blocking network connections. Adjust settings as necessary for compatibility.

Windows 10 Infected with Malware

Malware infections can compromise system security, steal sensitive information, and cause performance degradation.

Common Reasons:

  • Clicking on malicious links or downloading attachments from phishing emails or websites can introduce malware into the system.
  • Using outdated or ineffective antivirus software can leave the system vulnerable to malware infections.
  • Connecting to unsecured Wi-Fi networks or using public computers without proper security measures can increase the risk of malware infection.


  • Perform a full system scan using Windows Defender or a reputable antivirus program to detect and remove malware infections.
  • Ensure antivirus software is up to date with the latest virus definitions and security patches to protect against new threats.
  • Avoid clicking on suspicious links or downloading files from unknown sources. Use secure networks and enable firewall protection to mitigate the risk of malware infections.

How to update device Drivers

Outdated drivers can lead to compatibility issues, system crashes, and performance degradation, impacting the overall stability and functionality of the system.

  • Open Device Manager, right-click on the device with the outdated driver, and select “Update driver.” Choose the option to search automatically for updated driver software.

Update Graphics driver

  • Also, Go to Settings > Update & Security > Windows Update > Advanced options. Ensure that the option “Automatically download drivers” is enabled to receive automatic driver updates from Windows Update.
  • In addition, you can Visit the manufacturer’s website for your device’s hardware components and download the latest drivers directly from the official support page. This ensures compatibility and reliability.

How to update Windows 10

Running an older version of Windows 10 can expose the system to security vulnerabilities, compatibility issues, and missing features introduced in newer updates.

Go to Settings > Update & Security > Windows Update and click “Check for updates” to install any pending updates, including feature updates to newer versions of Windows 10.

Windows 10 update download

Use the Windows 10 Update Assistant tool or visit the official Microsoft website to verify hardware compatibility with the latest Windows 10 versions before upgrading.

If internet connectivity is limited, consider using alternative update methods such as downloading updates on a different device and transferring them via USB drive.

How to repair Corrupt System Files

Corrupt system files can lead to system instability, application crashes, and error messages, impacting the overall reliability and performance of the Windows 10 system.

Common Reasons:

  • Sudden power outages or system crashes during software updates or system operations can result in corrupted system files.
  • Hard drive errors, bad sectors, or disk corruption can cause data corruption and lead to the corruption of system files critical for Windows operation
  • Malware infections targeting system files can corrupt essential Windows components, leading to system instability and functionality issues.


  • Open Command Prompt as administrator and run the command sfc /scannow to scan and repair corrupted system files. Follow the on-screen instructions to complete the process.
  • Open Command Prompt as administrator and run the command DISM /Online /Cleanup-Image /RestoreHealth to repair the Windows image and restore corrupted system files.

Run SFC and DISM command

  • Use System Restore to revert the system to a previous restore point before the corruption occurred. Go to Control Panel > System and Security > System > System Protection to access System Restore options.

How to fix Software Conflict issue

Incompatibility or conflicts between installed software applications or drivers can lead to system instability, crashes, and performance degradation on Windows 10.

Common Reasons:

  • Installing software versions that are incompatible with the Windows 10 operating system or other installed software can lead to conflicts and compatibility issues.
  • Installing incompatible or outdated device drivers can cause conflicts with other drivers or system processes, resulting in system instability and crashes
  • Third-party software applications, especially security software or system utilities, may interfere with system processes or conflict with other installed software, leading to performance issues and system instability.


  • Ensure that all installed software applications are up to date with the latest versions compatible with Windows 10. Check the software developer’s website or use the application’s built-in update mechanism to install updates.
  • Identify any recently installed software that may be causing conflicts with other applications or system processes. Uninstall the conflicting software and observe if the issue persists.
  • Right-click on the executable file of the problematic software, select “Properties,” and navigate to the Compatibility tab. Enable compatibility mode and select an earlier version of Windows that the software was designed for.
  • Open Event Viewer (Press Win + X, then select Event Viewer) and review the Application and System logs for error messages or warnings related to software conflicts. Address any identified issues accordingly.

What to do in case of Hardware failure

Hardware failures, such as malfunctioning components or connection issues, can result in system crashes, error messages, and performance degradation on Windows 10 systems.

Common Reasons:

  • Hard drive failures, bad sectors, or disk errors can cause data loss, system crashes, and performance issues.
  • Defective or failing RAM modules can lead to system crashes, BSOD errors, and application instability.
  • Inadequate cooling or ventilation can cause hardware components, such as CPU or GPU, to overheat, resulting in system instability and crashes.


  • Use built-in hardware diagnostic tools or third-party software to test the health of hardware components, including the hard drive, RAM, CPU, and GPU.
  • Monitor system temperatures using third-party software like HWMonitor or SpeedFan. Ensure that temperatures are within safe limits and address any overheating issues by improving ventilation or replacing cooling components.
  • Turn off the computer, disconnect power, and reseat hardware components such as RAM modules, expansion cards, and cables. Ensure all connections are secure and properly seated.
  • If hardware diagnostic tests identify failing components, consider replacing the faulty hardware with new, compatible components to resolve the issue.

Blue Screen of Death (BSOD)

The Blue Screen of Death (BSOD) is a critical system error that indicates a serious issue with the Windows operating system, hardware components, or device drivers.

Windows Blue Screen of Death

Common Reasons:

  • Incompatible or outdated device drivers can trigger BSOD errors, leading to system crashes and instability.
  • Faulty hardware components, such as RAM modules, hard drives, or graphics cards, can cause BSOD errors due to hardware malfunctions or failures.
  • Incompatibility between software applications or conflicts with system processes can result in BSOD errors, especially after installing new software or updates.


  • Take note of the error message displayed on the BSOD screen, as it can provide valuable information about the underlying cause of the issue.
  • Use Device Manager to update device drivers for critical components such as graphics cards, network adapters, and chipset drivers. Download and install the latest drivers from the manufacturer’s website if needed.
  • Open the Control Panel, search for “Memory Diagnostic,” and run the Windows Memory Diagnostic tool to check for memory-related issues that may be causing BSOD errors.

Memory diagnostic tool

  • If BSOD errors started occurring after a recent software installation or system update, use System Restore to revert the system to a previous stable configuration.

Perform System Restore

Windows Update Issues

Windows Update issues can prevent the installation of critical updates, security patches, and feature upgrades, leaving the system vulnerable to security threats and compatibility issues.+

Common Reasons:

  • Slow or unstable internet connections can cause Windows Update to fail or time out during the download or installation process.
  • Corrupted system files or Windows Update components can prevent the installation of updates and lead to error messages or failed update attempts.
  • Third-party antivirus software, firewall settings, or other security applications may interfere with Windows Update processes, preventing updates from being installed successfully.


  • Ensure that your internet connection is stable and functioning properly. Restart your router or modem and try connecting to a different network if available.
  • Open Settings, go to Update & Security > Troubleshoot and run the Windows Update Troubleshooter to automatically detect and fix common Windows Update issues.

Windows update troubleshooter

Open Command Prompt as administrator and run the following commands sequentially:

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver

Restart your computer and attempt to install updates again.

  • Temporarily disable antivirus software or firewall settings that may be blocking Windows Update processes. Re-enable security software after completing the update installation.

Windows activation fails

After Successfully Upgrade To Windows 10 update, Some users Report a Windows activation problem. You Can Resolve this issue By running the Activation Troubleshooting tool from Settings ->  Update & Security -> Activation -> Troubleshoot.


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