Safety and Effectiveness of Giving Two Nucleoside Reverse Transcriptase Inhibitors Alone or in Combination With 141W94 to HIV-Infected Children Who Have Never Received Protease Inhibitors

Inclusion Criteria Your child may be eligible for this study if he/she: * Is 6 months - 18 years of age. * Is HIV-positive. * Has a viral load (level of HIV in the body) greater than 10,000 copies/ml. * Is able to take medications by mouth. * Has consent of parent or legal guardian if under 18. * Has a negative pregnancy test within 7 days of study entry. * Agrees to practice abstinence or use effective methods of birth control for 1 month before and throughout the study. Exclusion Criteria Your child will not be eligible for this study if he/she: * Has a serious illness, including any life-threatening infection or other chronic serious medical condition. * Has an opportunistic (AIDS-related) infection or a serious bacterial infection. * Is allergic to NRTIs. * Is breast-feeding. * Is unlikely to complete the study. * Has received certain medications. * Has received radiation therapy within the past 4 months, or will need to receive it during the study.