User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:2.0b10pre) Gecko/20110116 Firefox/4.0b10pre Build Identifier: Mozilla/5.0 (Windows NT 5.1; rv:2.0b10pre) Gecko/20110116 Firefox/4.0b10pre Horizontal line appears in title bar (screenshot) on mouse click under application button Reproducible: Always Steps to Reproduce: 1. click under app button circa in place where line appears on screenshot 2. 3. Actual Results: unexpected horizontal line appears Expected Results: no visual change note: issue not present on every mouse click, however always present after window is maximized
Mozilla/5.0 (Windows NT 6.1; rv:2.0b10pre) Gecko/20110117 Firefox/4.0b10pre works for me. Please try if it works fine in safe mode or try by creating a new profile. https://support.mozilla.com/en-US/kb/Safe+Mode https://support.mozilla.com/en-US/kb/Managing+profiles#Creating_a_profile.
I have no extensions installed, but tried again. Took near 1 day to catch issue again with new profile (nightly build updated in between). Issue appears to appear quite seldom.
Just clicking the title bar is enough for me to create this issue.
ftr: Troubleshooting Information / Graphics: Adapter Description Intel(R) Q35 Express Chipset Family Vendor ID 8086 Device ID 29b2 Adapter RAM Unknown Adapter Drivers igxprd32 Driver Version 126.96.36.19918 Driver Date 1-13-2010 Direct2D Enabled false DirectWrite Enabled false (0.0.0.0, font cache n/a) WebGL Renderer(WebGL unavailable) GPU Accelerated Windows 0/1
Reporter -> Are you still experiencing this issue with the latest version of Firefox 5? Does the issue occur with the latest nightly? http://nightly.mozilla.org/
Issue still present aurora channel (6.0a)
Please try updating your graphics driver and see if that helps - http://downloadcenter.intel.com/SearchResult.aspx?lang=eng&keyword=%22Intel+Q35+Express+Chipset%22 should get you to where you need to go
I believe I use latest one (5218, comment #6). halukakin, what graphics HW/driver do you use (from Help-Troubleshooting Information)?
(In reply to comment #10) > I believe I use latest one (5218, comment #6). > halukakin, what graphics HW/driver do you use (from Help-Troubleshooting > Information)? This is a sony vaio VGN-FW-190 laptop. I'm using the latest driver provided by sony. Adapter Description: Mobile Intel(R) 4 Series Express Chipset Family Vendor ID:8086 Device ID:2a42 Adapter RAM: Unknown Adapter Drivers: igdumdx32 igd10umd32 Driver Version: 188.8.131.523 Driver Date: 6-3-2008 Direct2D Enabled: Blocked on your graphics driver. Try updating your graphics driver to version 184.108.40.2062 or newer. DirectWrite Enabled: false (7.0.6002.18409, font cache n/a) WebGL Renderer: (WebGL unavailable) GPU Accelerated Windows: 0/1