Firefox screen blurry and unreadable (as if way out of focus); don't know how to correct. Browser is unusable. Disappointed in Mozilla cust svc.

As stated, Firefox screen is blurry and unreadable (as if way out of focus). One day, it worked; the next, it did not. Not sure if there was an upgrade as I did not request or accept one. All I know is Firefox is unusable and I've had to switch to another browser just to get online. You cannot do anything in Firefox because everything is illegible.

Try launching Firefox while holding the '''Shift''' key to open the Firefox SafeMode, and see how it is.
[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Troubleshoot Firefox issues using Safe Mode] << Read about the Firefox SafeMode here.

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