When I click the icon on the task bar, I get a black screen where the window to Firefox used to be.
I was using FB when the problem began. As I recall, the connection was lost and a black field covered the normal window. I found a suggestion from Mozilla that said my profile might be corrupted. I have backed up the profile and tried running a newly installed firefox using that profile, and that did not work. I took everything out of the profile folder, thinking that a new program would create a new profile, but a newly installed firefox showed me a small box saying "no profile." I put in a phony profile, calling it "phonyprofile.default" and got the same result.
الحل المُختار
hello biorrh, other users with this problem all had an embedded intel hd3000 graphics card with an old driver present. in case this also applies to you, here would be a link to update the driver, which in turn should also address the black firefox problem: https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=23764 (for win7 64 bit)
in case this doesn't solve the issue or does not apply to your system, start firefox into safemode by pressing the shift key while the application is launching & disable hardware acceleration in the firefox menu ≡ > options > advanced > general (that setting will take a restart of the browser to take effect).
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems
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الحل المُختار
hello biorrh, other users with this problem all had an embedded intel hd3000 graphics card with an old driver present. in case this also applies to you, here would be a link to update the driver, which in turn should also address the black firefox problem: https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=23764 (for win7 64 bit)
in case this doesn't solve the issue or does not apply to your system, start firefox into safemode by pressing the shift key while the application is launching & disable hardware acceleration in the firefox menu ≡ > options > advanced > general (that setting will take a restart of the browser to take effect).
Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems
Thank you Philipp!