i am using raspberry pi 3 with OS rasbian its architecture is armhf
when i do sudo apt-get update i get the following error may be it should be binary-armhf instead of binary-32 but how do i change it.

sudo apt-get update
Hit http://mirrordirector.raspbian.org jessie InRelease
Hit http://archive.raspberrypi.org jessie InRelease
W: Failed to fetch http://mirrordirector.raspbian.org/r...ssie/InRelease Unable to find expected entry 'main/binary-32/Packages' in Release file (Wrong sources.list entry or malformed file)

W: Failed to fetch http://archive.raspberrypi.org/debia...ssie/InRelease Unable to find expected entry 'main/binary-32/Packages' in Release file (Wrong sources.list entry or malformed file)

That is warning, not an error message. Probably you need to check the content of /etc/apt/sources.list. But that should be ok if you have a regular install.
What did you install (and how)?

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Thanks but i will check with the soloution.

thanks a lot pan64 it worked i copied the entire apt directory of another system with same os and tried updating and it worked.

glad to help you.
Please mark the thread solved (if you think your problem is solved).

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