[Please don't edit a post of yours after someone's replied to it or to a later post in the thread. Thank you.]
FOLLOW-UP...
Please answer each of the following [admittedly tedious] diagnostic questions in a correspondingly-numbered list in your very next reply, preferably without quoting my post:
- What is the full name of your installed anti-virus application or security suite and when (approx. date) does your current subscription expire? What anti-spyware applications (other than Defender) are installed? What third-party firewall (if any)?
- Is KB3134814, KB3115858, KB3124280, KB3126587, KB3126593, KB3134214, KB3122648 and/or KB3127220 listed in Installed Updates (not Update History)? [1]
- How about KB3135445, KB3123862, KB3035583, KB2952664 and/or KB2990214?
- *Assuming Java is installed =>*Is Java Version 8 Update 73 (or higher) installed? TEST HERE USING INTERNET EXPLORER ONLY! => http://java.com/en/download/uninstallapplet.jsp [2]
- Is Adobe Flash Player v20.0.0.306 (or higher) installed? TEST HERE USING INTERNET EXPLORER ONLY! => http://www.adobe.com/software/flash/about/
- When (exact date) was Internet Explorer 11 installed according to Installed Updates?
- What Update Version & KB number are displayed in the second line of text in IE11's Help | About [Alt+H+A] tab; e.g., Update Version: 11.0.99 (KB1231231) ?
- Is Firefox version 44.0.2 (or higher) and/or Google Chrome version 48.0.2564.116 (or higher) and/or any other alternate browser installed?
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[1] Start | Control Panel | Programs and Features | View installed updates (in left-hand menu)
[2] No need to install Java if it's not already installed!