Why I can't install bitcoin-0.15.1 in my PC

[keen11keen]

There is an error when i install the bitcoin-0.15.1 in my PC.


PC configuration ：windows7  64bit

the error infornation as follows:

NSIS ERROR:


Installer integrity check has faild,Common causes include incomplete download and damaged media.

Contact the installer's author to obtain a new copy.


What can i do next ,thanks

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[HCP]

Redownload the installer... it seems that the copy you have downloaded is incomplete or corrupted.

For reference, the "bitcoin-0.15.1-win64-setup.exe" I downloaded from bitcoin.org (https://bitcoin.org/bin/bitcoin-core-0.15.1/bitcoin-0.15.1-win64-setup.exe) is 14,325,736 bytes

Right-click the .exe and select "Properties" and see what the size is... if it is less than that, your download was incomplete/corrupted.

[keen11keen]

Redownload the installer... it seems that the copy you have downloaded is incomplete or corrupted.

For reference, the "bitcoin-0.15.1-win64-setup.exe" I downloaded from bitcoin.org (https[Suspicious link removed]) is 14,325,736 bytes

Right-click the .exe and select "Properties" and see what the size is... if it is less than that, your download was incomplete/corrupted.

I Redownload the installer.It's OK,thanks

[Iyanuisaiah]

Re-download the file and make sure u check ur anti-virus, because it might be Antivirus problem...

[BillyBobZorton]

Redownload the installer... it seems that the copy you have downloaded is incomplete or corrupted.

For reference, the "bitcoin-0.15.1-win64-setup.exe" I downloaded from bitcoin.org (https://bitcoin.org/bin/bitcoin-core-0.15.1/bitcoin-0.15.1-win64-setup.exe) is 14,325,736 bytes

Right-click the .exe and select "Properties" and see what the size is... if it is less than that, your download was incomplete/corrupted.

Don't go by exact byte size, im sure an smart attacker could make an exactly same-sized file that is not the real bitcoin core installer file, so you should always resort to doing a checksum verify of the hashes of the files as provided here: (https://bitcoin.org/bin/bitcoin-core-0.15.1/SHA256SUMS.asc) download this file and then download 7zip or some other program to check the sha256 sums and guarantee they are the same.

[khaled0111]

Redownload the installer... it seems that the copy you have downloaded is incomplete or corrupted.

For reference, the "bitcoin-0.15.1-win64-setup.exe" I downloaded from bitcoin.org (https://bitcoin.org/bin/bitcoin-core-0.15.1/bitcoin-0.15.1-win64-setup.exe) is 14,325,736 bytes

Right-click the .exe and select "Properties" and see what the size is... if it is less than that, your download was incomplete/corrupted.

Don't go by exact byte size, im sure an smart attacker could make an exactly same-sized file that is not the real bitcoin core installer file, so you should always resort to doing a checksum verify of the hashes of the files as provided here: (https://bitcoin.org/bin/bitcoin-core-0.15.1/SHA256SUMS.asc) download this file and then download 7zip or some other program to check the sha256 sums and guarantee they are the same.

You are right any smart hacker can insert a trojan into a file that has the same size as bitcoin core installer.
The wise thing to do is to verify the sha256 hash and you can also check if the file you downloaded is digitally signed by "The Bitcoin Foundation".
I doubt it to be a malware since it was downloaded from bitcoin.org, more likely an error occured while downloading which corrupted the file.

[brontosaurus]

Redownload the installer... it seems that the copy you have downloaded is incomplete or corrupted.

For reference, the "bitcoin-0.15.1-win64-setup.exe" I downloaded from bitcoin.org (https://bitcoin.org/bin/bitcoin-core-0.15.1/bitcoin-0.15.1-win64-setup.exe) is 14,325,736 bytes

Right-click the .exe and select "Properties" and see what the size is... if it is less than that, your download was incomplete/corrupted.

Don't go by exact byte size, im sure an smart attacker could make an exactly same-sized file that is not the real bitcoin core installer file, so you should always resort to doing a checksum verify of the hashes of the files as provided here: (https://bitcoin.org/bin/bitcoin-core-0.15.1/SHA256SUMS.asc) download this file and then download 7zip or some other program to check the sha256 sums and guarantee they are the same.

Well completely agree with what you say. But there are almost nil chances of any such suspicious activity if the installer was downloaded directly from the bitcointalk.org link. Moreover I have usually seen that such trojans inserted in the installer files are quite easily detected by Antiviruses too. I mean if one has a pretty decent amount of common sense. But yes do check the digital signature as it surely authenticates the copy.

[ahmad21]

Ensure that you meet with the minimum requirements but as per your given specifications I think everything here is fine. So just get a new copy of the version. Its quite easily available up here on the forum. Try reinstalling it if it goes smooth then its fine or else I would recommend you to reinstall your operating system. The locations where the wallet seeds are stored might be faulty. Reinstalling might help.