0x8020000E
BG_E_VOLUME_CHANGED
"The destination volume has changed. If the disk is removable, it might have been replaced with a different disk. Reinsert the original disk and resume the job."
Suggest renaming/deleting the SoftwareDistribution folder you will lose your WU History listing (not important). If everything is working okay again you can delete the renamed SoftwareDistribution folder.
Click Start, Choose Run.
In the Run box, type services.msc.
Click OK.
Right-click the Automatic Updates service.
Click Stop.
Stopping the service will take a moment.
Rename the "SoftwareDistribution" folder:
- Click Start, click Run, type %systemroot%, and then click OK.
- Right-click the SoftwareDistribution folder, and then click Rename.
- Type SoftwareDistribution.old, and then press ENTER to rename this folder.
Click Start. Choose Run.
In the Run box, type services.msc.
Click OK.
Right-click the Automatic Updates service.
Click Start.
Starting the service will take a moment.