Tabs are increasingly often not loading
Whenever opening a new tab, Firefox only shows a blank window. Reloading doesn't help (more accurately, reloading doesn't happen when you try to activate it). This happens everywhere, also on this very website.
Frequency is increasing. It started a few days ago with one tab in 5-10 showing a blank, to 3 or 4 attempts required to open any page.
I've uninstalled Chrome last month because it would always run a single processor core at max capacity, even when Chrome wasn't opened. If you don't fix this, I might end up with with Edge or something. Which stinks, but less than Firefox at this point.
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Could the problem be caused by an extension? https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems
If you can't find an answer any other way, you could test Troubleshoot Mode. https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems
These articles may also help: https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors https://support.mozilla.org/en-US/kb/switching-chrome-firefox
I had the problem recently with a few pages only. A Greasemonkey script was the problem.
EDIT: That reminded me. You can check with Web Developer tools: https://support.mozilla.org/en-US/questions/1349234#answer-1440233
由Terry于修改
You can check for issues caused by a corrupted or incomplete Visual C++ installation that is missing runtime components (Redistributable Packages) required by Firefox, especially VCRUNTIME140_1.dll.
Install both 32-bit and 64-bit "Visual Studio 2015, 2017 and 2019" downloads, (x86: vc_redist.x86.exe and x64: vc_redist.x64.exe) from https://support.microsoft.com/help/2977003/the-latest-supported-visual-c-downloads