Failed to install application files – SharePoint 2013 SP1

Today, I was upgrading a SharePoint 2013 development server that had been “laying low” for a while to Service Pack 1. The installation itself went without any problems – I downloaded the SP1 executable from Microsoft and ran the installation.

After the installation, it was time to run the SharePoint Products Configuration Wizard, and I encountered the following error in step 8: “Failed to install application files”. In more details, the exception in the log file was:

Failed to install the application content files. Continue reading