Why do files get damaged? We will restore damaged system files ourselves

Unfortunately, on computers, from time to time, failures occur when reading/writing to storage media. And the media themselves can become damaged and lose some of the information stored on them. As a result, you discover a damaged file and wonder what to do with it? Depending on the type of file and the degree of damage, two options are possible:

  • try to somehow open the file and save at least part of the information,
  • or delete such a file so that it does not interfere.

How to open a damaged file?

If we are dealing with a damaged Word file, then in the “Open Document” window Microsoft Word You can select the "Open and Repair" option instead of "Open" by clicking on the small triangle next to the "Open" button. A file opened in this way can be edited and saved in a normal format. In a similar way, you can try to read damaged files for Microsoft Excel and other programs from Microsoft package Office.

Is there a program for damaged files?

For many various types files, there are special programs that allow you to restore or save at least part valuable information. Let's look at file recovery programs for several of the most widely used types.

Recovery Microsoft files Word will be useful to you Word program Recovery Toolbox, working with .doc, .docx and .rtf files. Will help you recover Microsoft Excel files (.xls, .xlsx, etc.) Recovery program Toolbox for Excel. After the above, I think you will not be too surprised by the fact of the existence PowerPoint programs Recovery Toolbox, which restores presentation files Microsoft PowerPoint, and Access Recovery Toolbox for file recovery Microsoft Access). All these programs can be found on the Recovery Toolbox, Inc. website. .

How to delete a damaged file?

It also happens that as a result of damage, a file becomes impossible not only to use, but also to delete. In case the standard Windows version does not help CHKDSK utility, you can use one of following programs: DoctorDelete, NortonDiskDoctor, Total, Unlocker. If they don’t help, but you still want to get rid of the damaged files at all costs, you can do the following procedure: copy all working files and folders from this logical drive to another section or external media, format the disk and copy everything back. Of course, if corrupted files are located on system disk, this method is not very convenient to use. But if you want to clean the logical partition reserved for movies from damaged files, this method is quite suitable.

I would like to believe that after reading this article, the problem of what to do if the file is damaged is no longer relevant for you.

Very often, as a result of a virus infection, the computer itself is damaged. system files. Therefore, the operating system becomes inadequate, its performance constantly deteriorates, and may even refuse to boot at all. What to do in such cases inexperienced users? Right! Reinstall windows. This process is long, considering that after reinstallation you will have to install and configure many programs again, and this is not always necessary. Everything may turn out to be much simpler. In the operating room windows system There is a built-in utility specifically for restoring damaged system files, it is called Sfc. This utility can scan and repair damaged files. To run this useful utility you will need the command line. Enter it through the Start menu - Programs - Accessories - Command Prompt. In the command line window that opens, add the following line: sfc/scannow, press Enter and launch the system file scanner. That's it, the utility itself will find damaged system files and restore them. You can also enter the following line: sfc/scanonce, this means that system files will be checked the next time starting windows. Or like this: sfc/scanboot – the scan will be performed every time the system boots. If you write this: sfc /purgecache, you will give the command to clear the cache of protected program files and perform an immediate scan of system files. The sfc/cachesize=x command will allow you to set the maximum cache of protected files; it is measured in MB and is 50 MB by default. I think that this information will be enough for you so that you don’t have to reinstall the system again.

Many of us keep important information on your computer, assuming that it is safe and well protected. However, it may happen that the file in which the necessary data is stored will be damaged. This may be caused by an error in the operating system or program that uses this file, incorrect progress in the process of saving the file, a system crash, or the presence of a dangerous computer virus. Sometimes a file becomes corrupted due to failure hard drive. What to do in such a situation? How can I restore a file so that it is available for use? Read the following tips where I will tell you how to do this.

How to check if a file is actually damaged?

If the file you are trying to open does not open and displays the message “Unable to open the file”, this a clear sign that your file is damaged. In some cases, a file (for example, a text file) will open, but instead of letters and numbers, strange signs and symbols will be visible - this also indicates that the file is damaged.

Avi files

Avi are video clips that can be played in programs specially designed for this. Repairing damaged avi files is very simple. You just need to download a special software, which fixes such files. When you run such a program, find the damaged avi file, and then select the repair function. Various programs may offer various functions, so choose the one that best suits your needs. The above is only a general recovery procedure avi files. Here are the most famous programs to recover avi files: DivXRepair, Avi Previewer and Swift.

jpeg/jpg files

If jpeg/jpg files cannot be opened in any image viewing program, it means that they are corrupted. To recover a damaged file, try changing its name and saving it with the *.jpg extension. Another way out of the situation is to use special tools for image recovery. An effective tool can only be chosen by trial and error, because it is difficult to clearly determine which one will work. The most effective programs to restore files to jpeg format: JPEG Recovery and Picture Doctor. You can also try opening corrupted images in ACDSee program or IrfanView, but not sure if this will work.

doc files

doc files are documents that contain text data. If such a file is damaged, you need to download a special program that will restore it. Some programs will require prior installation on your computer, while others will run locally. The most effective programs designed for recovery doc files, this is: Repair MyWord or Nucleus Kernel Word Document Repair Software. You can download the MyWord Repair program for free and it is very easy to use.

Zip files

Files large sizes, we typically compress using special programs designed for this purpose. Thanks to this, they have less weight and we can easily send such a file as an attachment to email message or save to a flash drive. The process of recovering zip files is the same as all others and requires the use of special tools. Download one of the programs that is designed for this purpose and follow the instructions. Add the zip file you want to recover. The software will scan it and display the result of the operation. Select now separate files from zip archive that you want to restore and go to next step. The most effective programs designed to recover zip files: Zip Repair Tool, Zip Repair Software and Advancet Zip Repair.

Files on PSP

First of all, make sure that the files you want to play on your PSP (PlayStation Portable) are in the appropriate format. If your PSP does not support this format file, then you need to convert it to a supported format. The direct repair method is to connect the PSP to the computer, to do this you need to run a data recovery program on it. Download corrupted PSP files and fix them. If this method does not work, you should move the damaged files back to your computer, repair them using special tools, and re-download them to your PSP.

Some of the data recovery programs are provided free of charge. If these programs are paid, then you can download a trial or demo version and try to fix your files. Through trial and error, choose the software that is most suitable for you. If the damage was caused by a virus, you will need to run an antivirus program.

It is also possible to recover data lost as a result of hardware failure (for example, a hard drive).

Good afternoon If, God forbid, this happens to you viral infection, then such a nuisance as damaged system files may arise.

Damage to system files is not only an unpleasant phenomenon, but also a dangerous one. Your computer will crash over time. There will be more and more of them. And one fine day it may simply stop working.

Most people then reinstall Windows. Do not rush to reinstall; when reinstalling, you will need to install all programs and utilities again. The reinstallation process itself will take you an hour and a half, but installing programs can take a whole day.

Moreover, you may lose some programs forever. For example, which were located on the C drive. Or the situation may become completely stalemate.

One of my friends decided to reinstall the system and clicked on automatic reinstallation. He reinstalled the system, but completely automatic installation Absolutely all information was deleted from his computer.

This was several years ago, on Windows XP. As far as I know on modern systems There is no such service. But it was very unpleasant for him.

We can restore damaged system files using the command line

There is a utility specifically for these purposes Sfc. It is built into the system itself. Using this utility, users recover damaged system files.

In order to restore damaged system files, we will have to go to the command line (for those who don’t know, find it through the start button, unless of course you have Windows 8, in this system there is simply no start button, so in eight we will enter Win combination+ R and the command line will appear) write cmd and presses enter.

After that, click on the files that appear right click mouse and context menu select “Run with administrator rights”, because this must be done by a person with administrator rights to this computer. Then, in command line Type sfc /scannow and press Enter. So, run this utility and go to the console window. The utility will immediately start working and search for damaged files.


Recovery operating system that's enough for the most part. And your damaged system files will be restored.

You can also enter into the command line /cachesize. using this you will find out what the size of the CACHE files is in Mg.b. Typically these files are protected. It is usually equal to 50 Mg.b.

If you want to urgently check all protected files and clear the cache, enter in the command line /purgecache.

To restore the default settings, enter /revert.

Some users scan protected files when booting Windows by typing into the command line /scanboot.

Type into the command line /scanonce, and the files will be checked the next time the system boots.

If you want to instantly check protected files, enter /scannow.

If all this does not help, and the damaged system files remain damaged, then you simply need to perform a system restore; for this, do not forget to make system restore points.

I wrote about this in one of my articles and will write more in the future. This is much faster than reinstalling the system; restoring the system takes about 15 minutes. And 90% of your damaged system files will be restored.

Another joke: