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Fix Windows 10 Troubleshooter error code 0x803c0103

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Updated onMarch 27, 2024

updated onMarch 27, 2024

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Key notes

Windows 10Updates are occasionallyquite troublesome. There are dozens of differentupdate-related errorsplaguing users from day one.

And, since updates are mandatory inWindows 10, chances are you’ll run into one of theerrorssooner or later. After theerroroccurs, most users will reach for the built-in troubleshooter.

However, there seems to be anerrorwith the Update Troubleshooter itself and it goes by the 0x803c0103 code.

If this or similarerrorsbother you while running the Update Troubleshooter, make sure to try the steps below in order to resolve it.

How can I fix update error 0x803c0103?

1. Run SFC and DISM

Let’s start with the usual solution whenever any system tool fails to deliver. If some of the essentialWindows files are corrupted, chances are that certain built-in features will get broken.

This isn’t uncommon forWindows UpdateforWindows 10, which tends to breakPCsleft and right. Users who experienced the updateerrorand then tried running the troubleshooter, have tasted this first hand.

When something like this happens, we need to check the system for corruption. Whether the last unoptimized update brought this upon you, or it’s something else at hand – it doesn’t matter.

What matters is that you have all thetoolsyou need to fix it right there. The firsttoolis the System File Checker, which scans and resolves system corruption.

The other one takes the same task to another level and it’s called Deployment Image Servicing and Management or DISM. They work best when combined.

Here’s how to run SFC and DISM on yourPC:

Alternatively, you can rely onthird-party optimizing toolsthat can restore your PC from crashes or errors like the one here.

Plus, you have the benefits of optimizing your PC processes and repairing various system or program malfunctions.

2. Reset Update services

If we avoid the premise that the update in itself is badly administered, we are left with some internal issues you should check up.

Namely, maybe the update files stored on yourPCare corrupted or the associated services won’t start when needed.

If that’s the case, we suggest resetting the said services and redownloading the update files stored in the SoftwareDistribution folder. Here’s what you need to do:

After that, check for updates again.

3. Use a downloadable troubleshooter

If the built-in Update Troubleshooter won’t work, we suggest using a downloadable alternative provided by Microsoft. Thistoolshould, in theory, completely fill in for the built-in Update Troubleshooter.

It doesn’t require installation and you can run it as soon as it’s downloaded. It should scan for update-relatederrorsand fix them accordingly.

If you’re not sure where to get it and how to run it, here’s the whole step-by-step explanation:

4. Reset this PC

Finally, if none of the previous steps helped you resolve theerrorat hand, we suggest resetting yourPCto factory values.

I’ve done it myself multiple times after an insider update that completely ruined my system or made some of the key features inaccessible.

After the reset, everything worked just fine. And, most importantly, you get to keep your files and settings.Errorslike the 0x803c0103 usually affect users who upgraded over Windows 7/8.1.

So a clean reinstallation is another option you might consider.

Here’s how to reset yourPCto factory settings:

With that said, we can conclude this article. Hopefully, one of the enlisted steps helped you address the troubleshooter error 0x803c0103.

In case you have any questions or suggestions, feel free to tell us in the comments section below.

If completely removing it from your PC is required, be sure to use thebest uninstaller softwareof the moment.

To do so, follow this pathStart > Settings > Update & Security > Troubleshoot.If you can’t open the Setting app, take a look at thisarticle to solve opening Settings issues.

Microsoft developed a troubleshooter program and a repair tool specifically to help you with all sorts of problems. The Windows 10 repair tool is safe, so don’t hesitate to try it out.

Fix Windows 10 Troubleshooter error code 0x803c0103#

How can I fix update error 0x803c0103?#

1. Run SFC and DISM#

2. Reset Update services#

3. Use a downloadable troubleshooter#

4. Reset this PC#