![]() If your corrupted file is a document that you’ve created, unfortunately, your options are limited. If you suspect a bad update caused the problem, you might be able to roll that update back. It scans your system for corrupted system files, and then replaces them with originals.īefore you do that, though, it’s best to try fixing the cause of the problem. In the event of malware, you should first make sure you’ve removed that malware from your computer. ![]() In the case of corrupted system files (from an unexpected shutdown, bad update, or malware), you can always try something like Windows’ built in System File Checker. RELATED: How to Repair Corrupted Windows System Files with the SFC and DISM Commands Download it again, if that’s where you got it, or have someone resend the file to you. If you have a corrupted file, your best bet is to try grabbing that file from the source again. What Can You Do When a File Is Corrupted? Having a good UPS can not only help prevent corrupted files from a bad shutdown, but the hardware problems they can cause, as well. Typically, they can supply your computer with anywhere from a few minutes to an hour or more of power, giving you ample time to shut your computer down properly. A UPS works as a battery backup that provides you a buffer against power loss. RELATED: How to Select an Uninterruptible Power Supply (UPS) for Your ComputerĪnd finally, you might want to consider investing in an uninterruptable power supply (UPS) to help protect your computer from sudden shutdowns when you lose power. This includes not only running a good antivirus app, but using common sense when browsing and downloading. Next up on the prevention checklist, make sure that your computer is protected from viruses and malware. It’s always best to use a true backup solution like File History (on Windows), Time Machine (on macOS), or Backblaze, all of which allow you to restore multiple previous versions of files. If you do rely on cloud storage, at least make sure that you have the option to recall previous versions of files (like in Dropbox). If you have a corrupt file on your local disk that then gets synced to your cloud storage, you don’t really have a good backup of that file. And note that cloud storage and other file syncing options may not be enough to get the job done. RELATED: What's the Best Way to Back Up My Computer?įirst and foremost, the single best thing you can do to protect yourself against corrupted files is make sure you’re backing your computer up regularly. Sometimes, smaller errors-like a cross-linked file or lost cluster-are the culprit in your file corruption problems and are not necessarily indicative of a failing hard disk.Īnd finally, of course, malware and viruses can also cause corruption, though in that case, it’s more intentional than accidental. Sometimes, like in the case of a bad physical sector on the drive, your corrupted file may be part of a much larger problem. Problems with your hard disk can also lead to corrupted files. RELATED: Bad Sectors Explained: Why Hard Drives Get Bad Sectors and What You Can Do About It This can lead to the corruption of any files that were currently open, including not just your documents, but even operating system files. When this doesn’t happen-like, say, if you lose power or if your computer crashes-it doesn’t have the chance to close files the right way. When you shut down your computer, it is supposed to close out any files it has open properly (or give you the chance to do so). There are, of course, other reasons that files can become corrupt, as well.
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