Most culprit applications for this error include Roxio Backup My PC, Microsoft Virtual PC 2007, Intel Dynamic Power Performance Management, and some outdated drivers. If you don’t have any of these applications installed, then this guide will teach you how to manually read the update logs and remove any problem-causing softwares in addition to other possible ways to fix this issue.

Method 1: Manually Identifying and Uninstalling the Application

The property name LowerCaseLongPath contains the path to the troublesome application. Take note of the application and it’s path.

Method 2: Performing a Clean Boot

If the first method looks too complex, you should try performing a clean boot to identify this problem-causing application. Clean booting allows you to disable non-windows services and startup application which are potential causes of this error. On Windows 8/10, follow this guide.

Method 3: Updating/ Fixing Windows Drivers

In minor cases, outdated or corrupted drivers can be a cause of Update Error 0xc1900209. Also, if you’re using a Mac, there’s a possibility that outdated boot camp drivers could be a cause of the error.

Using Intel’s Driver Update Utility

If you’re using a different processor like AMD, visit your vendor’s website to get the latest drivers from there.

Updating Boot Camp Drivers

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