How to Fix a Corrupt Registry in Windows 7

A system reset could be the answer to your problems

by Claire Moraa
Claire Moraa
Claire Moraa
Claire likes to think she's got a knack for solving problems and improving the quality of life for those around her. Driven by the forces of rationality, curiosity,... read more
Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • The registry is a database that stores configuration information for the operating system, applications and drivers. 
  • It contains all of the settings, options and preferences for your PC and that’s why a corrupt registry can cause Windows to not start properly.

To fix various PC problems, we recommend Restoro PC Repair Tool:
This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues and remove viruses now in 3 easy steps:

  1. Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues affecting your computer's security and performance
  • Restoro has been downloaded by 0 readers this month.

The Windows Registry plays an important role in the functioning of Windows 7. When you install new software or hardware, it frequently installs itself in the registry and adds entries to it. 

These entries tell Windows how to interact with that software or hardware and what kind of programs should be used to open documents created by it. If you have a corrupt registry it can cause problems such as system crashes and blue screen errors

What causes a corrupt registry in Windows 7?

If you are wondering why you have a corrupt registry, below are some common causes:

  • Malware – Malware often modifies the Windows Registry. This can cause several problems such as slow boot times, random crashes and so on. A good antivirus program is recommended.
  • Incompatible programs – If you have recently installed any software or hardware, it is possible that the registry is corrupt due to incompatibility issues. 
  • RAM and hard drive errors – This can happen when there’s not enough RAM available on your computer due to a lack of available memory slots or an insufficient amount of RAM installed in your computer at the time of purchase. 
  • Hardware failure – If you have bad RAM chips or faulty hard drives, they could cause corruption in the registry as well as other parts of your PC. 
  • Unexpected shutdowns – These can cause file corruption if they happen unexpectedly while you are working on something important.
  • Corrupt drivers or system services – As time goes by, drivers and services may become outdated and no longer compatible with newer versions of Windows 7. 
  • Improperly shutting down your computer – This can happen when you shut down your computer while there is an active program running, such as playing a game or watching a video file. 
  • Incorrectly uninstalling software – The problem is that these programs don’t always remove all traces of the program from your system, leaving behind bits and pieces that can cause problems. 

How can I fix a corrupt registry in Windows 7?

If you have a corrupt registry, there are a number of things you can do before stepping up to advanced troubleshooting:

  • Make sure you have all the latest drivers for your hardware devices.
  • Check for viruses and malware on your PC.
  • Finally, try restarting your computer. Here’s what to do if your PC ends up stuck on restarting.

1. Run the DISM command

  1. Hit the Start icon, type cmd, and select Run as administrator.
  2. Type this command and press Enter: DISM /Online /Cleanup-Image /CheckHealth 

2. Run the System File Checker command 

  1. Hit the Start icon, type cmd, and select Run as administrator.
  2. Type this command and press Enter: sfc /scannow 

3. Run a registry cleaner

If you are not tech-savvy or just don’t have the time to manually go through multiple steps, an automatic tool will come in handy. There are many such programs available in the market that can do the job. 

Registry cleaners are a great way to clean your registry and fix errors in Windows 7. Some of these offer free windows registry repair. These programs can help you find and repair issues that may be preventing your system from running smoothly.

The good thing is that most of these tools not only repair the registry but also perform several other tasks including cleaning up your system from unused files and removing other unwanted data from your hard drive.

Restoro is a tool that specializes in cleaning your registry and fixing problems found on your computer to keep it running at top speed without problems.


Repair any problems your system has and increase its performance to the top.

Free trial Download Now

4. Perform a System reset

  1. Click on the Windows key to launch the Start menu, and then select Control Panel from the options on the right.
  2. Navigate to System and Security.
  3. Select Backup and Restore.
  4. Find Recover system settings on your computer.
  5. Click on Advanced recovery methods.
  6. Select Return your computer to factory condition.
  7. Follow the on-screen instructions to complete the process.

Expert tip:


Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken.
We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
Click here to download and start repairing.

If you need to restore your computer from a backup created earlier, first make sure it’s from a time before the corrupt registry errors began.

Can Windows fix registry errors?

Windows Registry Checker is a free tool to scan, clean and repair Windows registry problems. It detects and removes obsolete or incorrect information from the Windows registry and helps you optimize your PC’s performance.

Here are some of the features of this tool:

  • Registry Defragmentation – The software will help you defragment your registry in order to fix any errors and make it work more efficiently. This will help speed up your PC performance by making sure that all files are in the right place and easy for Windows to find them.
  • Registry cleanup – The tool can detect and remove obsolete or incorrect information from the Windows registry to optimize your PC’s performance.
  • Registry backup – The tool allows you to backup your registry before performing any changes so that if anything goes wrong, you won’t lose any important data from your system.

Hopefully you will find these solutions helpful for any problems you encounter and can fix the corrupt Windows 7 Registry.

As you may already know, the sun officially set on Windows 7 in January 2020. The OS will continue to be available for users who need access to security updates or other patches until 2023.

Windows 7 may still be pretty secure, but once its support ends, your computer becomes vulnerable to viruses and malware. We can’t emphasize this enough. These will not only slow down your computer but could also compromise your private data.

We’re already living in a world of constant online threats and the last thing you need is an unprotected operating system with security vulnerabilities.

As such, we recommend upgrading to Windows 11. Take advantage of the free upgrade while you still can.

Do let us know which method fixed your corrupt registry in the comment section below.

Still having issues? Fix them with this tool:


If the advices above haven't solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

This article covers:Topics: