I have a follow up: as I was checking for updates again, the build 1903 showed up. I tried to install it a few times and every time it was failing again. I performed all the steps that I did before...

Thank you, so the deadline for build 1809 is May 12, 2020, not too bad.

Well, I would think that since this PC was able to update now the problem with updates has been solved so it should be able...

Yes, I've just updated from MS website by hitting Check for Updates.

I will definitely create a new image with Macrium over the weekend.

I am not an advanced computer user as you probably can...

Just finished updating.

The long time pending update ended up being build 1809, I am a bit surprised as I was expecting to see 1903. The update went smoothly, so thank you everyone for all the...

Thank you both.

I don't have any critical information on that computer, it is my secondary PC so everything is backed up multiple times.

Later today I will try to update to 1903 again, I am...

Thank you Ztruker. I did what you said and the report at the end of the process said that 1 file was replaced or added, I don't remember now.

Then I ran SFC /SCANNOW again and the message at the...

TrashZone, thank you for your input.

dalchina, so I started to work on your list. A and B did not find anything wrong but while performing step C (SFC /SCANNOW) I received a screen informing me of...

Thank you. Will be working on your suggestions over the next few days. Will post the results.

I've been trying to unsuccessfully update my ASUS PC from the build 1803 for a while now. Tried everything I could find on the internet and the update was failing every time somewhere around 81-84%....