recieving java script error messages
Every time I open Firefox, I get a JavaScript Application error message that says; Error: TypeError; CSSAndUICompatability_avg.ShowUIElementsByFilter is not a function
Every time I open Firefox, I get a JavaScript Application error message that says; Error: TypeError; CSSAndUICompatability_avg.ShowUIElementsByFilter is not a function
ప్రత్యుత్తరాలన్నీ (1)
That could be due to Malware. Check the Troubleshoot Firefox issues caused by malware article. You should probably download and run both Malwarebytes and SUPERAntiSpyware.