Viral claims about voting machines switching votes in Tarrant County, Texas, were refuted by election officials attributing the issue to human error, not machine tampering. Similar claims arose in Tennessee and Georgia, but election officials in those states also reported no irregularities, citing voter mistakes. Voting machine vulnerabilities exist, but there is no evidence of them being hacked to alter ballots. Experts emphasized that voters should carefully review their ballots, and paper records offer security to verify votes.