This document summarizes common errors and solutions related to filing TDS returns on the TRACE portal. It discusses 9 problems people commonly face including old demands not being cleared after filing correction returns, interest adjustment issues, section head issues when filing multiple quarters, and PAN correction issues. For each problem, it provides the background, example cases, and step-by-step solutions to resolve the demands and file accurate correction returns. The document aims to help users better understand the TRACE system logic and correctly handle various TDS filing scenarios.