Remember to download the same version as the one when you used it to compress files.

Second, go to 7-Zip official website to download the tool again.īefore you download it, you must uninstall the old one.

First, use your antivirus software to clear the existing virus.ĪVG antivirus, quick heal or Norton to scan your computer and get rid of the virus.

Viruses infection is one of the top reasons that may cause the 7-zip data error and many people are eager to know how to fix this error. Clear virus, redownload an extraction tool 7z archive with the new good one, then you can retry the decompress the file again.Īccording to some threads on some forums, some users who experienced the same issue on 7-Zip suggest that restarting 7-Zip software and rebooting PC may work and resolve this issue.

Step 4: Mostly, you can directly replace the old.

Step 3: You must look listings of files in bad and good archives, logs of 'test' command, and think about ways to replace bad parts.

Step 2: Replace 'bad' parts of bad.7z with 'good' parts from another good.7z,.Step 1: Create a similar archive with good copies of files with the same settings, and in the same order.But if you have exact copies of files from the 'bad' archive, you can fix this error by doing so: 7z archiveĪccording to 7-Zip website, when you receive 'Data Error' it means that you almost can't recover the data. Stay calm, read on and you can fix the '7-Zip data error' with provided solutions on this page. It is indeed bothering when you have to face this kind of situation. On this page, you'll find several fixes provided by 7-Zip official website and professional geeks online to effectively repair this error, restoring all valuable files with ease. When I try to extract the files, only 2 out of the 11 files are extracted and an error message pops up saying:ĭata error in 'File Name.' The file is broken! How can I fix this data error and get the lost files back?' ' I am having trouble extracting nearly all the files in a 7-zip file that I compressed several months ago. As for the 7-Zip users, some of you may probably meet data error like this:

7zip download error