If you're applying for a green card through Form I-485, it's important to understand the common reasons for denial and how to address them. Often, denials occur when the underlying petition, such as Form I-130 or I-140, is denied. In such cases, you must first resolve issues with that petition before your I-485 can proceed. Another common reason for denial is inadmissibility, which can occur if you can't prove a legal entry, maintain lawful status, or if you're found guilty of a disqualifying cr