Hardware⏱️ 3 min read📅 2026-05-29

How to Fix: Windows 10 File Explorer very slow, constantly processing, hanging & cr

Quick Answer: Consider upgrading to an NVMe SSD with faster storage, as your current Samsung 990 Pro might be bottlenecking performance.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🛠️ Step-by-Step Verified Fixes
  3. 💡 Conclusion

The Windows 10 File Explorer's slow performance, constant processing, hanging, and crashing can be attributed to several common causes. These include:

⚠️ Common Causes

  • Outdated drivers: Failing to update graphics, network, and storage drivers can lead to slow performance.
  • Disk fragmentation: Over time, files on your hard drives become fragmented, slowing down the File Explorer.
  • Malware or viruses: Malicious software can consume system resources, causing the File Explorer to hang or crash.

🛠️ Step-by-Step Verified Fixes

Method 1: Disk Cleanup and Defragmentation

  1. Step 1: Press the Windows key + R to open the Run dialog box, type 'cleanmgr' and press Enter.
  2. Step 2: In the Disk Cleanup window, select the drive you want to clean up (usually C:) and click 'OK'.
  3. Step 3: Click 'Clean Up System Files' and follow the prompts to defragment your hard drives.

Method 2: Update Drivers and Malware Scanning

  1. Step 1: Open the Device Manager (Press Windows key + X and select Device Manager).
  2. Step 2: Expand each category and look for devices with a yellow exclamation mark or red X. Right-click on these devices and select 'Update driver'.

Method 3: System File Checker and Registry Cleanup

  1. Step 1: Open the Command Prompt as an administrator (Press Windows key + X and select Command Prompt (Admin)).
  2. Step 2: Type 'sfc /scannow' and press Enter to run the System File Checker.
  3. Step 3: Run a registry cleanup using CCleaner or another reputable registry cleaner.

💡 Conclusion

By following these steps, you should be able to resolve the slow performance and crashing issues with your Windows 10 File Explorer. Remember to regularly update drivers, run disk cleanups, and scan for malware to maintain optimal system health.

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