- System32 is a fundamental folder of Windows containing essential system files.
- Removing System32 causes critical failures and may prevent Windows from running. Boot.
- On commands SFC and DISM allow you to repair damaged files without reinstalling the system.
- Copying or restoring this folder is not recommended, as it may cause compatibility issues.
Windows has a large number of files and directories essential for its operation, but there is one folder in particular that has always generated doubts and myths: System32There are many erroneous claims circulating on the Internet about its usefulness and the consequences of modifying or deleting it, so it's important to know firsthand what it is, what it's used for, and what happens if we accidentally delete it.
To clear up any doubts, in this article we will explain in depth What is the System32 folder?, where it is located, what files it contains, and why it is so important to the operating system. We'll also cover what to do if it has been deleted or corrupted, the risks of modifying it, and whether it's really worth backing up its contents. If you'd like to learn more about other Windows system files, you can check out the information on Windows SYS files.
What is the System32 folder?
System32 is a fundamental directory within all versions of Windows. It is located on Route C: / Windows / System32 and stores most of the key files that allow the operating system to boot and function correctly.
Inside this folder are essential files such as:
- DLL files: Libraries that contain functions necessary for Windows and programs to run correctly.
- EXE files: Fundamental applications and processes such as Task Manager, File Browser y winlogon.exe. If you need help opening Task Manager, see this article.
- Drivers: Controllers of hardware that allow correct communication between the system and the peripherals.
This folder is so crucial that any alteration in its files can cause serious system failures, including boot errors and blue screens.
What happens if I remove System32?
One of the most widespread myths on the Internet is that deleting System32 improves your computer's performance, but this is completely false. In fact, deleting this folder will make your operating system unstable and, in most cases, Windows will stop booting.
By deleting critical files, the system will progressively fail until it eventually crashes completely with a blue screenIn this case, there is no turning back and the only viable solution is reinstall Windows from scratch. If you experience issues related to reinstalling Windows, see this guide.
How to recover a PC if you deleted System32
If you accidentally deleted System32 or it has been corrupted, there are a few things you can do to recover your system and avoid losing your data:
- Safe Mode: You can try to start Windows in safe mode and perform a system restore.
- Recovery from another PC: Remove the hard drive and connect it to another computer to back up your files.
- Reinstalling WindowsThe safest option is to reinstall the operating system. If you choose the "Keep my files" option, you may retain some of your information.
Can System32 be infected with a virus?
It is rare for a virus to manage to infiltrate the System32 folder, since only the user SYSTEM, controlled by TrustedInstaller, has permission to modify it. However, some malware advanced They can exploit some vulnerability to lodge themselves in this directory.
In case of suspected infection, the best option is perform a full scan with a reliable antivirus , the Windows Defender, Kaspersky, or Malwarebytes. Never attempt to delete files manually, as this could remove essential system components.
How to repair System32 if it has errors?
If System32 becomes corrupted for some reason, Windows provides several commands that can help repair the damaged files:
sfc /scannow
DISM.exe /Online /Cleanup-image /Scanhealth
Dism.exe /Online /Cleanup-Image /CheckHealth
DISM.exe /Online /Cleanup-image /Restorehealth
DISM.exe /Online /Cleanup-image /startComponentCleanup
Run these commands from a window DCM With administrator permissions, it allows you to recover essential system files.
Is it useful to backup System32?
Some users consider backing up System32 as a precaution, but in reality this not recommendedRestoring an older copy could cause compatibility issues with recent updates and, in most cases, would not resolve system crashes.
Instead of making a copy of System32, it is ideal to make a backup complete system or use Windows recovery tools. If you need more information on how to troubleshoot common Windows problems, you can read our article on Troubleshooting common printing problems in Windows.
Important files within System32
Although you should avoid modifying files within this folder, there are elements that may be useful:
- Drivers: They are stored in C:/Windows/System32/Drivers and contain files SYS related to hardware drivers.
- Windows' register: The folder C: / Windows / System32 / Config stores system settings.
- Hosts file: Located in C:/Windows/System32/drivers/etc/hosts, allows you to redirect or block web addresses.
It is recommended that you only modify these files if you have experience, as incorrect changes could cause errors in Windows.
The System32 folder is a part vital of the Windows operating system and should never be deleted or modified without proper knowledge. It contains files essential for Windows to function, and if deleted, the system will stop booting. In case of failure, it is recommended to use recovery tools such as repair commands or reinstall the operating system. There are myths about its deletion, and it is essential to understand that this folder is essential for proper system performance.
Passionate writer about the world of bytes and technology in general. I love sharing my knowledge through writing, and that's what I'll do on this blog, show you all the most interesting things about gadgets, software, hardware, tech trends, and more. My goal is to help you navigate the digital world in a simple and entertaining way.