YouTube video freezes Firefox at ONE forum only

Odos270

New Member
Power User
Messages
205
This is to bizarre. One forum I go to, if I try to play an embedded YouTube video, Firefox freezes. I go to another forum and no problem, embedded video plays fine. If I go to YouTube itself, videos play fine.

Windows 8.1
Kaspersky Internet Security
Malwarebytes Premium

Firefox 41 (happened with earlier versions too)
Add-ons Manager (Extensions - all disabled)
Adblock Plus
DVDVideoSoft YouTube MP3 and Video Download
Ghostery
Kaspersky Protection
LastPast
NoScript
RightToClick
S3.Google Translator
The Addon Bar (restored)
Video Downloader professional

Plugins
OpenH24 Video Codec - Always Activate
Primetime Content Decryption Module - Always Activate
Shockwave Flash - Always Activate
Foxit Reader Plugin for Mozilla - Ask to Activate
VLC Web Plugin - Ask to Activate

If I start Firefox in safe mode, and go back to the forum, it doesn't freeze. Plus, Firefox seems to be gobbling memory.

TIA
 

My Computer

System One

  • OS
    Windows 8.1 64bit
    Computer type
    PC/Desktop
    System Manufacturer/Model
    HP h8 envy 1534
    CPU
    AMD FX-6200 (3.8GHz)
    Motherboard
    M3970AM-HP (Angelica2) (Gigabyte)
    Memory
    10GB DDR3
    Graphics Card(s)
    Eyefinity Radeon HD 7570
    Browser
    Firefox
    Antivirus
    Kaskersky Internet Security 2016
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