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Watching Broadcasts

Help! Videos are freezing/browser is crashing!

If any of the following should occur, it could be caused by your browser or Adobe Flash Player.
・Video player freezes
・Video player layout break up
・Video player only displays "Now Loading"
・Browser automatically quits

Please try the following to remedy these issues:

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Delete your browser's temporary internet files
See your browser's help page for more details.

Clean up your computer's hard disk drive
See your browser's help page for more details.
▼Internet Explorer
From the C drive select "disk cleanup" and delete the "Temporary Internet
Files" and "Temporary Files".
▼Firefox
Tools -> Details -> Network -> Offline Data -> Delete Now

Increase browser caching
If browser caching is set to low, your browser's cache will be updated too soon, which may result in the video player taking a long time to appear.
Keep in mind that increasing caching uses up space on your computer's hard drive.

Try a different Niconico-recommended browser

Reinstall/delete Adobe Flash Player

Change Adobe Flash Player version
The video player is prone to freeze if the version of Adobe Flash Player being used is incompatible.

Right click on the video player and select Settings. Uncheck the
"Enable hardware acceleration" option.


Clear Adobe Flash Player's "local website storage"
An abnormal website storage area may cause the video player to freeze.

From the Adobe Systems website, go to the Website Storage Area Settings Panel
delete the following "visited websites".
After deleting the visited sites, click "allow" when prompted if you
want to allow use of the website storage area.

・Video Player: www.nicovideo.jp、res.nimg.jp
・Nico Live Player: live.nicovideo.jp
・Nico Ads Advertisement Preferences Screen: uad.nicovideo.jp
・Nico App Player: www.nicovideo.jp, res.nimg.jp、
Any domains with the ".storage.nicoapp.jp" domain.
* Note that the .storage.nicoapp.jp domain is individually managed by applications and several instances may exist.
・Sites with external players such as mixi: ext.nicovideo.jp
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If you are still having issues even after trying the above, it may be an issue between your computer and
Adobe Flash Player.

Please contact Adobe Systems for further assistance.
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