The file ql1240 sys is corrupted

Get new features first. Was this information helpful? Yes No. Thank you! Any more feedback? The more you tell us the more we can help. Can you help us improve? Resolved my issue. Clear instructions. Easy to follow. No jargon. Pictures helped. Didn't match my screen. Incorrect instructions. In this Windows 10 guide , we will walk you through the steps to use the System File Checker tool to repair damaged system files automatically or manually.

Warning: This is a friendly reminder that editing system files is risky, and it can cause irreversible damage to your installation if you don't do it correctly.

It is recommended to make a temporary full backup of your PC before proceeding. Type the following command to repair the Windows 10 system files and press Enter :. Once you complete the steps, the SFC command-line tool will scan, detect, and fix Windows 10 system file problems. When the tool detects an issue, it is recommended to run the command around three times to ensure that all the problems have been corrected properly.

After you complete the steps, the log file will reveal all the scanned system files and information for the unrepairable files. This option is only available when performing a scan within Windows 10, not when performing an offline scan with Command Prompt. Type the following command to start the diskpart tool and press Enter :. Type the following command to determine the location of the Windows and System Reserved partitions and press Enter :. Confirm the current drive letter assignment for the System Reserved partition the one close to MB and Windows 10 partition, usually the volume with the largest size.

Type the following command to run the System File Checker offline and press Enter :. Once you complete the steps, the command tool will fix any problems with system files on Windows 10, and the device will restart normally.

After you complete the steps, the log file will reveal all the scanned system files and information for files that could not be repaired. You may be able to get good working files to replace in your installation from another device running the exact edition and version of Windows If you do not know the location of the damaged file, you may need to perform an online search with the information available in the SFC log file.

Knowing these causes, we can effectively avoid files getting corrupted or damaged in these aspects. Here are a few questions related to how to repair corrupted files. If you also have any of these problems, you can find the methods here. Corrupted files are files that suddenly become inaccessible or unreadable.

There are several reasons why a file gets corrupted, like virus infection, power outage, hard drive problems, and so on. When you try to open a damaged file, you will see an error that says something like, "The file is corrupt and cannot be opened" or "The file or directory is corrupted and unreadable". If your Word document becomes corrupted because of a virus attack, hard drive error, OS crash, this method can repair your word file effectively.

Find the damaged files through the filter, file path, search, etc. This program will automatically repair corrupted and damaged files. He mainly writes articles about data recovery tutorials on PC and Mac and how-to tips for partition management. He always keeps an eye on new releases and likes various electronic products. It's far from perfect, partly because today's advanced disk technology makes data-recovery more difficult than it was with the simpler technology of the past.

It comes with a selection of advanced features, including partition recovery, formatted drive restoration, and corrupted file repair. Screen Recorder. Transfer Products.

File Management. More Products. Workable Solutions Step-by-step Troubleshooting Fix 1. Run File Repair Software Select a disk location where the corrupt files are saved. Click "Scan" to start finding the corrupt files For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:.

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