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x509
Well, it would help if we knew which update(s), what hardware, etc.
I would assume it/they either borked FF or the vid card driver.
I guess, if it was me, I'd redo the vid card driver, first.
Windows Update messes with vid card drivers, fairly often. FF, not so much.
DDU Instructions - Nvidia
1. Get this program, here:
Display Driver Uninstaller (DDU) | Wagnardsoft ...get the latest version, and save it to your desktop.
2. Get the Standard/Game Ready vid card driver here, use the
Manual Search:
Advanced Driver Search | NVIDIA ...save this to your desktop.
Unhook the internet completely.
3. Reboot into Safe Mode and run DDU (Display Driver Uninstaller) choose the "Highly Recommend Option", and just do what it tells you.
4. After it's done, reboot to normal mode, then just double click the Nvidia driver to install. If it want's to reboot, let it.
Rehook the internet.
DDU Instructions - AMD
1. Get this program, here:
Display Driver Uninstaller (DDU) | Wagnardsoft ...get the latest version, and save it to your desktop.
2. Get your vid card driver here, use the
Manual Search:
http://support.amd.com/en-us/download ...save this to your desktop.
Unhook the internet completely.
3. Reboot into Safe Mode and run DDU (Display Driver Uninstaller) choose the "Highly Recommend Option", and just do what it tells you.
4. After it's done, reboot to normal mode, then just double click the AMD driver to install. If it want's to reboot, let it.
Rehook the internet.