To troubleshoot and identify which Windows or .NET update caused the appearance of the extra password label in the Windows Security window, follow these steps:
- Check Recently Installed Windows Updates
You can review recently installed updates on your system to determine which might have introduced this change.
• Steps:
1. Press Win + I to open Settings.
2. Go to Update & Security → Windows Update.
3. Click on View update history.
4. Look through the list of installed updates (especially Feature Updates and Cumulative Updates).
5. If needed, you can search for these update KB numbers on the Microsoft Update Catalog or Patch Tuesday announcements for details.
- Check .NET Framework Updates
.NET Framework updates can affect UI components, especially if you have an application running on .NET that uses the Windows Security prompt.
• Steps:
1. In the Control Panel, go to Programs and Features.
2. On the left, click View installed updates.
3. Look for any updates related to Microsoft .NET Framework (under Microsoft updates).
4. You can cross-reference these updates against the release notes on the .NET Blog or the Microsoft Update Catalog for detailed changes.
- Review Windows Security (CredUI) Changes
If this issue involves the Windows Security window (part of the Windows Credential UI API), certain security updates might have altered its behavior or UI layout. Search for any updates specifically related to security or credential handling. These may include:
• Updates that affect Windows Defender.
• Updates that affect Credential Provider components.
Steps to identify specific CredUI changes:
1. Open the Windows Security window.
2. Run msinfo32 (System Information) to check the version of Windows Defender or Security Health Service.
3. Compare any changes in the credential dialog with those listed in recent Windows updates (especially under “security” or “authentication”).
- Check for Application-Specific .NET or Windows Updates
If this issue only appears when running certain .NET applications that prompt for credentials, it may be related to an update to your application framework or a Windows feature that those applications rely on.
• Review the application’s build dependencies.
• Look at the web.config or other configuration files that might control UI elements in the security prompt.
- Use the Event Viewer for Clues • Open the Event Viewer (Win + X → Event Viewer). • Check under Windows Logs → System for any events related to updates or .NET changes around the time the issue started appearing.
- Search for Known Issues in Microsoft Documentation
Microsoft sometimes publishes known issues related to updates that cause UI changes. Check for:
• Windows update notes in the Windows release health portal.
• The .NET release notes for UI-related bugs or changes in the framework.
Summary
The appearance of an extra password label may have been caused by either:
1. A Windows feature or cumulative update.
2. A .NET Framework or .NET Core runtime update.
By reviewing recent updates, using tools like the Event Viewer, and searching Microsoft’s release notes, you should be able to pinpoint the update responsible. Once identified, you can decide whether to roll back or apply a workaround (if applicable).
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