Forum Discussion
Update KB5039304 does not install
In Windows Update the update KB5039304 runs through 100%, but in restart it only runs to 36%. After a few minutes there, it gives an error message (no numbers or anything identifiable) en performs a...
JaccoW Same for me, update stops at exactly 40%. I hoped the situation would be solved somehow, but it did not.
What do we do now?? I already opened a support case with MS and they would not help. Does MS do anything concerning this error? Does this mean I have to re-install my system from the scratch after using and implementing major parts for more that 6 years?? A nightmare....
I guess it's time MS gets some competition after all, finally. 
Type DISM.exe /Online /Cleanup-image /Restorehealth (note the space before each "/"), and then press Enter. (Note: This step may take a few minutes to start and complete.) After you see a message that says "The operation completed successfully," type sfc /scannow (note the space between "sfc" and "/") and press Enter this may help