Software⏱️ 3 min read📅 2026-06-19

How to Fix: RunDLL ~$WT.FAT error when accessing HDD

RunDLL ~$WT.FAT error when accessing HDD

Quick Answer: Try running a full system scan with an anti-virus software to remove any remaining malware, and then try accessing your hard drive again.

The RunDLL ~$WT.FAT error is a frustrating issue that prevents users from accessing their hard drive. This error typically occurs when there's an issue with the boot sector of the hard disk, which can be caused by various factors such as viruses, malware, or hardware problems.

Fixing this error can be challenging, especially if you've tried troubleshooting methods without success. However, don't worry, we'll guide you through the process step-by-step to help you resolve the issue and regain access to your hard drive.

🔍 Why This Happens

  • The primary cause of the RunDLL ~$WT.FAT error is a corrupted or infected boot sector on the hard disk. This can happen when a virus or malware infects the boot sector, causing it to malfunction and prevent the system from loading properly.
  • Another possible reason for this error is a hardware problem with the hard drive, such as a failing or damaged disk. In some cases, the issue may be caused by a conflicting operating system or driver installation.

🔧 Proven Troubleshooting Steps

Boot Sector Repair

  1. Step 1: Step 1: Download and install a boot sector repair tool, such as BootFix or DiskGenius. These tools can help scan and repair the corrupted boot sector.
  2. Step 2: Step 2: Run the boot sector repair tool and follow its instructions to complete the process. This may take some time depending on the severity of the corruption.
  3. Step 3: Step 3: Once the repair is complete, restart your computer and see if you can access your hard drive. If the issue persists, proceed to Method 2.

System Restore or Reinstall Windows

  1. Step 1: Step 1: Try restoring your system to a previous point when it was working properly using System Restore. This may help recover from any recent changes that caused the issue.
  2. Step 2: Step 2: If System Restore is not available, you can try reinstalling Windows. Be sure to back up any important files and data before doing so.

✨ Wrapping Up

If none of the above methods work, it's possible that your hard drive has suffered significant damage. In this case, it may be necessary to seek professional help from a data recovery service or consider replacing the hard drive altogether. Remember to always back up your important files and data regularly to prevent similar issues in the future.

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