BITS-service is an essential part of Windows Update process. If BITS stops working you are not able to update your Windows anymore automatically or from Windows Update-Web site. This often occurs when you uninstall certain antivirus/Internet security programs. BITS-service simply stops running and cannot be started again. That's where this program comes in. It is a collection of fixes for this problem and running this program usually solves the problem and your updates work ok again. Notice: This program does not enable the Windows Update when the cause of the malfunction is using a pirated version of Windows XP. This program fixes a known problem with legal Windows XP-systems.