Error 740

Technical Support
I had the same issue.

This may not help you guys, but it worked for me.

I originally downloaded the starter and then upgraded. I had the enGB version but as I'm in New Zealand I am supposed to play in The Americas which I was doing. I assume that since the RMAH has gone live and you can't trade between areas AND the GB version is specifically for EU it was having issues.

I deleted the game and re-downloaded and installed the enUS version and have had no issues since then. I did this AFTER doing the Administrator tips above.

YMMV. Hope it helps (as distasteful as downloading another 15gig was).
Running it as administrator helped for met, thx for the tip!
diablo 3 gave me a error 740 how do i fix this problem . need help
You dont need to reinstall to fix this...

Steps to fix Error 740:

1. Follow all the steps here first including restart:
http://us.battle.net/support/en/article/BLZPTS0000C

2. Go to where your Diablo 3 folder is located. For example: C:\Program Files (x86)\Diablo III
Right click "Properties" for Diablo III.exe then choose the "Compatibility" tab.

3. Under "Privilege Level" Enable "Run this program as an administrator" then click OK.

4. Double click "Diablo III.exe" (It will now update the patch properly)

5. When the update is finished you need to undo the properties changes on Diablo III.exe
Repeat step 2 then Disable "Run this program as an admin".

Once it's disabled again you can now run your regular launcher shortcut or you can double click "Diablo III Launcher.exe"
how do i fix [error 740] ?
Administrator mode didnt work for me !!
This Sh*t still showing the error 740!!
come on help

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