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Thanks for your prompt reply @karenmckersie I think I am using correct password.. Otherwise I can't post right ?

Double check and be sure your useing the "active key " and not the " posting key " to power up ! That should work! Good luck👍

thanks @karenmckersie ... as I mention before I use all the keys ... didn't work any, i attach picture for your reference !!

Did you solve your problem? the same thing is happening to me @tsxbox

Have you gone to the welcome site yet !? If you click on the those 3 lines beside your face , then scroll down to "welcome" click on that and you will find a large list of helpfully links from various steemians that you can go to and just ask them once there for help ! Here's one link to maybe try https://steemit.com/steem/@timcliff/newbie-guide-how-to-buy-steem