"Workaround"
1, first login to a Web site, any click on a file download, see whether pop-up Thunder download box.
① if the above screenshot of the Thunder download box may be a Thunderbolt software problem, can be reload or ignore all can, after testing can be associated with the proof does not affect the use.
② if it's IE11, please go directly to the internet option = "Advanced =" Remove "enhanced protection mode" from the check, then you must restart IE browser, and then enter the internet option = "program =" Manage Add-ins start "Thunder download Support" control, and then try to download whether normal.
③ If the confirmation is not IE11, does not eject the Thunder download box.
Open 360 browser = top Right or left menu bar Select tool = "Download =" set = "to set the Thunderbolt as the default download tool, restart the browser, again for diagnostics view."
2, open 360 browser = top Right or left menu bar select = "tool =" internet option = "program =" Manage Add-ins to see if there is a Thunderbolt control, and are enabled.
3, if the management of add-ins and there is no Thunder download support control please come here http://dl.xunlei.com/download Thunderbolt and uninstall and then reinstall, do not cover installation.