Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.
Solved Okugcinwe kunqolobane

gray line on top of window after recent update

I-Firefox Browser appearance
TyDraniu replied
b.registracijos
b.registracijos

Hello, after ff updated, gray line appeared. It does not disappear after changing theme. I am using laptop and a monitor. On laptop browser window goes fully to the top, but when i drag ff to the secondary monitor, gray line appears. I will attach photos.

Hello, after ff updated, gray line appeared. It does not disappear after changing theme. I am using laptop and a monitor. On laptop browser window goes fully to the top, but when i drag ff to the secondary monitor, gray line appears. I will attach photos.
Ama-screenshot ananyekiwe

All Replies (1)

TyDraniu
TyDraniu
  • Top 10 Contributor

Isisombululo Esikhethiwe

It's being investigated. For now you can try to go to about:config and switch widget.windows.windowsappsdk.enabled to false, then restart.