This web page does not contain any information about slui.exe, a file that may cause errors or pop-ups on Windows devices. It explains how to activate Windows products online or by phone.

Learn how to fix common activation errors in Windows 11, 10, 8.1 and 7, such as slui.exe. Find your product key, use the activation troubleshooter, or contact customer support.

The web page does not contain any information about slui.exe, a Windows 10 system file. It explains how to fix Windows 10 activation error 0x803F7001, which is caused by various reasons such as hardware change, wrong edition, or missing license.

If you're unable to activate Windows 10, the Activation troubleshooter could help. To use the troubleshooter, select Update & Security. option is available only if your copy of Windows 10 (Version 1607 or later) isn't activated. Once you activate, the option disappears.

To enable the Auto-activation feature, follow these steps: Click Start, type regedit in the Start Search box, and then click regedit.exe in the Programs list. Note: If you are prompted for an administrator password or confirmation, type your password or click Continue.

Windows activation or validation fails when you try to activate Windows operating systems over the Internet. Additionally, you may receive one or more of the following errors: Error code: 0x80004005 Description: License Activation (SLUI.exe) failed.

Activate Windows 7 or 8.1. Find your Windows product key. Learn how to troubleshoot and resolve 'Windows can't be activated' error message.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)

If you have a digital license, run the Activation troubleshooter. You’ll need to first add your Microsoft account and link your account to the digital license on your device. After linking your Microsoft account, run the Activation troubleshooter to reactivate Windows 11.