Sentence examples for having problems from inspiring English sources

"having problems" is correct and usable in written English.
It can be used in various contexts to indicate that someone is experiencing difficulties or challenges. For example: 1) "I'm sorry for my late response, I've been having problems with my internet connection." 2) "The company is currently facing financial losses, and their CEO is having problems finding a solution." 3) "He's been having problems adjusting to the new city he moved to." 4) "Having problems with time management? Here are some tips to help you be more productive." 5) "The family is having problems communicating effectively, and it's causing tension in their relationships."