Microsoft Edge doesn't come with Adobe Flash Player installed, but you can enable it to view websites that still use Flash. If you prefer Microsoft Edge over the default Safari, you can also. I recently upgraded my flash player to 13, but I had trouble playing youtube videos or any kind of mp3. So I uninstalled the flash player restarted my mac then installed the flash player 12 then I went on youtube again to see if the videos worked but I got the problem it would say 'The Adobe Flash P. If your Safari version is 10.0 or later, follow the steps in For Mac OS X 10.10. Note: Apple Safari version 14, released for macOS in September 2020, will no longer load Adobe Flash Player or play Flash content.

by Brian Fisher • Jun 18,2019 • Proven solutions

I failed to upload flash video to YouTube, who can help?

There are several different factors that can result in the failure of a Flash video to upload. A majority of us fail to upload an FLV video on YouTube because the video might be corrupted or contain some error. Addressing these issues can help you make the uploading process easier and hassle free. These errors may include the following:
• Uploading a file that too heavy for the internet connection.
• Uploading might fail because the file format is not supported.
• Firewalls and privacy settings can cause the error.
• Your browser might be obsolete and does not support the format of the video.
• With the Flash Video specifically, you might find that the video fails at 90 to 95th percent on processing. This setback is most probably associated with a/v synchronization and added formatting problems.

Recommend the Best Tool to Upload Flash to YouTube

UniConverter is a perfect choice for individuals who want immediate results in high quality. Get your Flash file and transform it into the YouTube format in no time. Furthermore, this software provides an easier solution for you because it eradicates all probable uploading errors even before they arise. To persuade you further, this is a single video instrument you need for all your problems.

UniConverter - Video Converter

Get the Best YouTube Video Uploader:

• Convert to any audio/video format: This software is compatible with 150+ audio/video formats and allows you to convert both audio and video files into any format you wish.
• Download online videos: Downloading your favorite videos from YouTube is all a person can wish for. Well, now you can. UniConverter even lets you download videos from other websites at a great speed.
• Burn, copy or backup DVD: UniConverter lets you burn the media files onto DVD discs, backup your DVD for safekeeping and simply copy the material to your computer. You can even convert DVDs to any format you desire. This app works as the ultimate DVD toolkit.
• Edit videos: It is the only app you will need for all your video related activities, from creating to editing. The app makes video editing hassle-free with its simple editing features. These features comprise of all the basic ones, for instance, Watermark, Trim, Crop, Subtitle, Rotate, Volume, etc.

Step-by-step Guide to Upload Flash Videos to YouTube

Converting an Flash video to a video that is compatible with YouTube format has become easier than ever. Using UniConverter for Mac makes it simple for the user to convert Flash and upload the video on YouTube. Follow the subsequent steps for a hassle free conversion and upload.

Step 1: Import Files

Flash For Mac Chrome

The first step to converting the file is to import it. You can import the Flash video in three different ways. The user can hit the '+' at the left bottom to attach files. Or else you can go to 'File' then 'Load Media Files' for the addition of the Flash file. Situate the Flash videos on the Finder, dragging and dropping them on the iSkysoft window can also work. This software permits the user to load and convert multiple Flash files concurrently.

Step 2. Upload Flash to YouTube

After importing the files, there is an 'Export' menu on Mac, select 'Uploading to YouTube'. However, this element only exists on the Mac version. For individuals using Windows, they will be required to convert flash videos to YouTube supported format primarily, and then upload to YouTube.

Before you start, check the version of Safari running on your Mac. To display the version number, choose Safari > About Safari.

• If your Safari version is 11.0 or later, follow the steps in For Mac OS X 10.11, macOS 10.12, and later.
  
• If your Safari version is 10.0 or later, follow the steps in For Mac OS X 10.10.

Note:

Apple Safari version 14, released for macOS in September 2020, will no longer load Adobe Flash Player or play Flash content. Please visit Apple’s Safari support for more information.

Flash Player Update For Mac

Click the Websites tab and scroll down to the Plug-ins section. Locate the Adobe Flash Player entry.


Select a setting to use for Flash Player when you visit other websites.


You can configure Flash for individual websites (domains). Select a website listed in this window, and choose Ask, Off, or On.


Exit Preferences after you finish configuring Flash Player.

Download Flash Player For Mac

Note:

If you are viewing Safari in full-screen mode, mouse over the top of the browser screen to see the menu.

Click the Security tab. Ensure that Enable JavaScript and Allow Plug-ins are selected. Click Plug-in Settings.




From the When visiting other websites menu, choose On, and then click Done.