Here are two methods to fix corrupted DAT files effectively

Ivan Jenic
by Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and driver troubleshooting. When he's not tackling... Read more
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Often there are instances of DAT file getting corrupted. This again can lead to a whole lot of issues, with the particular application that created the DAT file functioning erroneously.

Fortunately, fixing DAT file error is easy enough, it being just a few steps that can get you back on track quickly.

Steps to fix DAT file errors quickly

Step 1: Performing System Restore

This often is the easiest way to deal with DAT file errors, one that can provide you respite to your issues in the quickest possible time.

Here are the steps:

  • Launch msconfig. Again, the easiest way to do that is to type msconfig in the Cortana search box, right click on the System Configuration app from the search result and select Run as administrator. Alternately, you can also launch the Run dialog box by hitting Windows key and R. Type msconfig in the Run dialog box and hit enter.
  • In the System Configuration windows, select Tool
  • Select System Restore from the list of Tool Name provided and hit the Launch
  • Follow on-screen steps which includes selecting the date to which you want your system to be rolled back. Of course, you will have to select a date prior to when you first started experiencing issues with DAT file.

An easier solution would be to use a professional third-party tool that scans your PC, addresses all registry issues it finds and restores your system settings to optimal values.

Restoring your system to a previous state can fix a number of system issues. A simpler way to safely restore your system is using a specialized tool that can do all the work for you.

Restoro will automatically scan your PC for problematic files and will replace all critical Windows system files that are malfunctioning with previous versions that are working perfectly.

Here’s how you can perform this action:

  1. Download and install Restoro.
  2. Launch the application.
  3. Wait for it to find any system stability issues.
  4. Press Start Repair.
  5. Restart your PC for all the changes to take effect.

The built-in system restoration tool will revert your Windows to a previous version, therefore you can lose some precious data that was saved after the restoration point was made. You can always return your system to its pre-repair condition.

Get Restoro

Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

Step 2: Perform SFC scan

Another option for you to try will be to perform a sfcscan of your system to ensure all your files are in perfect order. Here are the steps:

  • Hit Windows key + R to launch the Run dialog box.
  • Type cmd and press enter to launch the Windows command prompt. Alternately, you can just type cmd in the Cortana search box, right click on the Command Promt and select Run as administrator.
  • In the Command prompt window, type sfc/scannow and press enter.
  • Wait till the process is complete. It might take some minutes for the scan to be 100 percent complete.

Restart your PC. The DAT file errors should be gone for good.

Also, here are a few additional resources you can try.

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