About this tag
Windows update KB2943357 is a security update for Windows 7 that has caused installation failures for some users. Common errors include 800B0100, often accompanied by other failing updates. Troubleshooting steps attempted include running System File Checker (sfc /scannow), using the Windows Update Troubleshooter, and manually downloading the update. The update may fail repeatedly even after a successful installation, suggesting underlying system or update component issues.
  1. R

    Windows 7 Can not install 2 important updates win7 Tried all

    Hey, 10 hours wasted today trying to install updates KB2943357 and KB29731112. Win7 64bit. Also 7 Optional updates that fail...but whatever. 6 months ago got them installed somehow, but within 2 days they were failing to install again (After they were already installed? What?) Error is...