How to Fix SLUI 04 Error in Windows 10 – Get Your Windows Key Working

Troubleshooting the Frustrating SLUI 04 Error on Windows 10

As Windows users, we’ve all been there before. After installing a new motherboard or CPU, we eagerly try to activate our copy of Windows 10 only to be confronted by the dreaded “SLUI 04” error message. This frustrating error seems to appear out of nowhere, leaving us locked out of our expensive OS investment.

In this informative guide, we’ll walk through the ins and outs of the SLUI 04 error, from what causes it to the most effective troubleshooting solutions. We recently came across an illuminating forum discussion on Tech Forum Community and wanted to share the key insights on resolving this common Windows 10 activation issue. So read on for the inside scoop!

What Triggers the Mysterious SLUI 04 Error?

SLUI 04 is an error code that appears when running the SLUI 4 command in Windows 10. SLUI stands for "Software Licensing User Interface,” and it is the module responsible for handling Windows activation.

How to activate slui 4 on Windows 10?

Follow the provided steps. Open Start menu and click on Settings. Go to Update & Security. Look for Activate Windows Now and click on Activate by Phone. Follow From Step 4 of from the SLUI 4 section of the article. If the Activation Fails, you will be redirected to Microsoft Support Centre for your Region.

What is slui Exe Windows 10?

One of the lesser known system processes on a Windows 10 PC, however, is slui.exe. This process is responsible for Windows 10 license activation, including checking if your license is genuine. If you want to know more about slui.exe, here’s what you need to know. What Is Slui.exe and Is It Safe? What Is Slui.exe and Is It Safe?

The SLUI 04 error typically crops up after significant hardware changes like installing a new motherboard or CPU. It can also occur due to system file corruption, incorrect date/time settings, or an invalid product key. When you run the “slui 4” command in Command Prompt, the activation window fails to open or function as expected.

Understanding what causes SLUI 04 is the first step to banishing it for good.

Top Troubleshooting Tactics for SLUI 04

Luckily, our tech-savvy forum users have uncovered several effective methods for tackling the SLUI 04 error:

Run the Windows Activation Troubleshooter

Buried in the Windows Settings is a handy troubleshooting tool designed specifically for activation issues. Here’s how to find it:

1. Go to Settings > System > Activation
2. Select ‘Troubleshoot’ to run the troubleshooter

This automated tool checks for problems and attempts to reset your activation status. It’s a quick first step for any SLUI 04 diagnosis.

Scan System Files with SFC

Corrupted system files are a common source of SLUI 04 errors. Run the System File Checker (SFC) scan to sniff out and replace any damaged files:

How do I run slui in Windows 10?

To run SLUI.exe manually, right-click the Start menu and select the Run option. Alternatively, press the Windows + R keys on your keyboard. In the Run dialog box, type slui (or slui.exe) and select OK to run it. This will open the relevant menu in Windows Settings.

Why is slui not working?

It may be that there is a failure in the installation. Try running the command as “slui 04” to see if it works. I await news. If these procedures helped you in any way, please click on “I solved my problem” and also mark as an answer, so you can help others users. We will always be available for whatever you need! Was this reply helpful?

1. Open Command Prompt as administrator
2. Type “sfc /scannow” and hit Enter
3. Let the scan run to completion (this may take a while)

An SFC scan will often uncover and repair the culprit corrupted files causing SLUI headaches.

Re-run the SLUI 4 Command

Sometimes the SLUI 4 command simply fails on the first try. Restarting the process may activate Windows properly:

1. Open Command Prompt as administrator
2. Type “slui 4” and press Enter

If successful, the Windows activation window will appear. Fingers crossed!

Reset the License Status

Resetting the license status essentially gives Windows activation a fresh start. Follow these steps:

1. Open Command Prompt as administrator
2. Type “slmgr.vbs –rearm” and press Enter

After the reset, attempt activation again with SLUI 4. Just be aware this tactic only works a limited number of times.

Use a Valid Product Key

If you’re utilizing a digital license linked to your Microsoft account, double check you are installing the correct Windows 10 edition. Choosing Home vs. Pro vs. Enterprise makes a difference.

Why is slui 4 not working?

SLUI 4 not working is one of the most common issues users run into. SLUI has four commands to activate Windows. Each command uses a different approach for the Activation. Some users misunderstood slui.exe as a virus, which is not the case. It is a windows system file that is important for your computer to work genuinely.

Does slui 4 work in Windows 10 Creators Update?

Win10 Creators Update – Slui 4 function no longer works just wanted to inform that the “Slui 4” function is no longer included in the Win10 Creators Update. Activation by telephone is therefore no longer available. I came across it because I run 2 computers without any network access and therefore rely on telephone activation.

Can slui 04 be used in Windows 10?

The SLUI 04 command shouldn’t be used—it won’t produce a usable installation ID or confirmation ID. You can only enter a new product key by going to Settings > Update & Security > Activation and selecting Change product key. Command line tools like slmgr.vbs won’t allow a product key from either of these two editions to be injected into Windows.

How do I activate slui 04 on Windows 10?

In the search box on the taskbar, type SLUI 04, select SLUI 04 from the list of results, and then follow the instructions on the screen to activate Windows. Note: If you’re running Windows 10 Pro EDU or Windows 10 Pro for Workstations, you must activate Windows over the internet—phone activation and SLUI 04 can’t be used.

For traditional product keys, verify the 25-character code is valid for your system’s edition of Windows. Typos can easily invalidate a key. Contact the retailer if your valid key faces ongoing activation troubles.

Call In the Professionals

If you exhaust all the DIY troubleshooting tips above, it’s time to call in the pros. Reach out to Microsoft Support via phone, chat, or scheduled call for personalized assistance getting Windows 10 activated and the SLUI 04 banished for good. The activation wizards have seen it all and can work magic when all else fails.

With this inside guide to SLUI 04 troubleshooting, you’re armed with the knowledge to banish this Windows 10 activation error for good. Let us know in the comments if we missed any secret tips or tricks! And stay tuned for our next deep dive into the red-hot world of Windows technical support.

References

1. https://support.microsoft.com/en-us/windows/get-help-with-windows-activation-errors-09d8fb64-6768-4815-0c30-159fa7d89d85
2. https://windowsreport.com/slui-4-not-working/

How do I activate slui on Windows 10?

In the Run dialog box, type slui (or slui.exe) and select OK to run it. This will open the relevant menu in Windows Settings. If you’re having trouble activating Windows online and require telephone support to help you activate it, type slui 4 instead. What you see next will depend on if your PC has a current license or not.

How do I Change my Windows activation key?

Select Start > Settings > System > Activation . Select Change product key, and then enter the 25-character product key. If you’ve made a major change to your device’s hardware, such as a motherboard replacement, run the Windows Activation troubleshooter located on the activation settings page.

What is slui 4?

Slui 4 is a tool that is used to activate Windows without having to enter the product key. You can also run the command to ensure you’re running a genuine copy of Windows but sometimes, it may not be working. Slui 4 is a command line utility that allows you to manage your Microsoft product keys.