You can check the Internet speed, browser, and plug-ins

Check the Internet speed and DNS

Open Tencent Computer Manager - Toolbox - Test Network Speed

Open Tencent Computer Manager - Toolbox - DNS, select 114 or 8

Open Tencent Computer Manager - Toolbox - Slow Internet access

What browser are you using. It is recommended that you try changing your browser to a non-IE based browser

and install the latest version of FLASH on your computer.

Download or update the plug-in.

It is available in Tencent Computer Manager, you can try it.

Open Tencent Computer Manager - Software Management - Search: flash player

Or update the plug-in

Open Tencent Computer Manager - Computer Clinic - Software Problem - The FLASH version is too low. Open Tencent Computer Manager - Computer Clinic - Tencent Zone - QQ Space Repair