SpaceX tried to launch Bangladesh's first geostationary communications satellite on Thursday night, but computers automatically aborted the attempt.
The soonest SpaceX can try again to launch the rocket is on Friday at 4:14 p.m. ET.
The Bangabandhu Satellite-1 mission will be the first to fly on a Falcon 9 Block 5 rocket, SpaceX's most powerful and reusable design to date.
Elon Musk, the company's founder, says this rocket will be "the final version" of SpaceX's workhorse launcher.
SpaceX broadcasts live video of its Falcon 9 missions via YouTube, and you can watch video from the attempted launch below.
SpaceX, the rocket company founded by Elon Musk, tried to launch the first-ever high-orbit communications satellite for Bangladesh on Thursday evening.
But with less than a minute remaining on the countdown clock, flight computers automatically aborted the launch sequence.
The mission is slated to use the company's latest version of its workhorse rocket, called the Falcon 9 Block 5, for the first time.
"We're still looking for the cause of the abort," Michael Hammersley, a SpaceX materials engineer, said during a live webcast of the launch attempt.
Sensors on the launchpad and throughout the rocket can throw an abort to prevent any problems, Hammersley said, adding that "these aborts are part of the standard process to make sure everything is working correctly" and that "it's better to have them on the ground than during a flight."
Flight controllers said both the new rocket and satellite, called Bangabandhu-1, were safe. However, they couldn't resolve the problem before the roughly two-hour window for launch ran out of time - so they scrubbed Thursday's attempt.
"We'll be aiming to launch tomorrow during our backup window," Hammersley said.
The soonest that SpaceX can try to launch the mission is at 4:14 p.m. ET on Friday.
Before the launch, Musk told reporters that Falcon 9 Block 5 is designed to be "the most reliable rocket ever built." He added: "I hope fate does not punish me for these words, but that is unequivocally the intent, and I think our most conservative customers would agree that is an accurate statement. Please, fate, do not punish me for this - the intentions are good."
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