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When making a Windows thumb drive installation media, how do know you there are no corrupted files? Is there a check sum or something?

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    No; There isn't a checksum. The software used to create the drive normally would verify this. If the process is successful then isn't corrupt./. What problem are you actually trying to solve?
    – Ramhound
    Jul 31, 2015 at 12:11
  • Just wondering because Ubuntu is offering a md5 check sum for making sure the .iso file is ok and when booting it also has a sort of checker and just thought Windows doesn't do that. Also if there any official Microsoft usb tool? I know it was for Windwos 7, I downloaded a windwos .iso file from my school from MSDN AA and I just want to make sure I don't mess up the installation.
    – Dan
    Jul 31, 2015 at 12:14
  • md5 checksums exists for those .ISOs also. There is a first-party tool that takes a.iso and places it on a flash device but also numerous third-party solutions that do that also. There are also md5 checksum tools that exist also.
    – Ramhound
    Jul 31, 2015 at 12:26

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Correct checksums for installers can be found from here: https://msdn.microsoft.com/en-us/subscriptions/downloads/default.aspx?pv=36%3a350#searchTerm=&ProductFamilyId=350 Click detailsto see SHA1checksums.

To find out checksum of your file you can use for example this tool from Microsoft: https://www.microsoft.com/en-us/download/details.aspx?id=11533

The Microsoft File Checksum Integrity Verifier tool is an unsupported command line utility that computes MD5 or SHA1 cryptographic hashes for files.

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  • That first link leads to an error page. May 15, 2019 at 18:19

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