Windows Update can fail during the updates installation if the updates began to be installed during a shutdown operation of your computer Symptom 1: Windows Update is stuck in an endless loop during installation The error messages, alerts, warnings, and symptoms below are tied to this error. The following information on this error has been compiled by NeoSmart Technologies, based on the information gathered and reported by our global network of engineers, developers, and technicians or partner organizations. 5.1 Fix #1: Delete cleanup.xml and pending.xmlĪbout “ Windows Update is stuck in an endless loop“.5 Fix Windows Update Loop in Windows 8/8.1.4.4 Fix #4: Install System Update Readiness Tool.4.2 Fix #2: Delete cleanup.xml and pending.xml.4.1 Fix #1: Boot into Last Known Good Configuration.4 Fix Windows Update Loop in Windows Vista and 7.3.1 Fix #1: Rebuild boot.ini or BCD with Easy Recovery Essentials.3 Fixing “Windows Update is stuck in an endless loop” on Windows.2.2 Cause 2: File system settings are set incorrectly.