mkbarsbal Posted March 28, 2016 Share Posted March 28, 2016 Hello, I just recovered some videos on my USB that contains a lot of deleted movies and i just want to ask why some of my video files is corrupted? It doesn't play and others are just choppy or ends early. Does it have to do with formatting ntfs/fat32? Inserting to diff pc's? Too much video deleted on my USB? Thanks Link to comment Share on other sites More sharing options...
mkbarsbal Posted March 29, 2016 Author Share Posted March 29, 2016 Another follow up, why does recuva still recover some files on my USB when i did a full format and complex wipe (7 pass)? Link to comment Share on other sites More sharing options...
Moderators Nergal Posted March 29, 2016 Moderators Share Posted March 29, 2016 Another follow up, why does recuva still recover some files on my USB when i did a full format and complex wipe (7 pass)? can it, yes perhaps. will they be of much usable condition, no. Which brings us to the answer if your first question. It's likely, especially with movies (due to file size), that they were, at least in part, partially overwritten; even if they showed as green in Recuva, the software is only making a educated guess as to the viability of the file. This can be even more true if the drive is flash memory or SSD, as opposed to a USB attached hard-drive, because the way files are stored is different. Lastly a friendly warning. Corruption of a drive can occur in a SSD, or Hardware failure in a Hard Drive with excessive wiping. On a modern hard drive, one secure wipe is enough to make files unrecoverable in full. The SSD/Flash-drive, on the other hand will begin to lose capacity (the amount of space files can be saved on) if wiped, as each cell in the flash memory, thus the drive itself only has a limited number of bits (1/8 of a byte) than can be written to it. ADVICE FOR USING CCleaner'S REGISTRY INTEGRITY SECTION DON'T JUST CLEAN EVERYTHING THAT'S CHECKED OFF. Do your Registry Cleaning in small bits (at the very least Check-mark by Check-mark) ALWAYS BACKUP THE ENTRY, YOU NEVER KNOW WHAT YOU'LL BREAK IF YOU DON'T. Support at https://support.ccleaner.com/s/?language=en_US Pro users file a PRIORITY SUPPORT via email support@ccleaner.com Link to comment Share on other sites More sharing options...
mkbarsbal Posted March 29, 2016 Author Share Posted March 29, 2016 Thanks for replying, maybe i just leave my USB that way. I still have some USB that needs to be erase. Does it recommend to do Format>Wipe Free Space>Entire Drive Wipe? Sorry for always questioning. I've been a long user of ccleaner and I just started using ccleaner-drive wipe and Recuva last week. So i need to experiment on things to be secured Link to comment Share on other sites More sharing options...
Moderators Augeas Posted March 29, 2016 Moderators Share Posted March 29, 2016 Is this the same question, and the same usb drive, as here http://forum.piriform.com/index.php?showtopic=45923&do=findComment&comment=272176 ? If so it would be better to continue in the same thread. If not then the description in posts one and two is far too woolly and conflicting to do any meaningful diagnosis. Link to comment Share on other sites More sharing options...
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