[Windows] Support ends on December 2020, 12! How to disable Adobe Flash Player.Introducing each setting method in manual, group policy, and registry!

Tips / Knowledge

Hello!This time,Disable Flash PlayerI would like to introduce about.

Adobe Flash Player2020/12/31In other words, this article was published in November 2020, so next monthEnd of supportIt becomes.

End of support for Adobe Flash Player
About the end of support for Adobe Flash Player

For a while, Flash was so prosperous that it could be used on any site, but it's finally time to finish its role.The reason for the termination isSecurity riskOr replace Flash PlayerSpread of next-generation technologyIs it a place like that?I personally feel a little lonely.

However, even if you leave things that are gone forever, in the digital world, you will get out of the wayDangerThere is even.Towards the end of supportInvalidationLet's do it!

* This article only introduces the three standard Windows browsers as of November 2020: Internet Explorer11, Microsoft Edge, and Chromium Edge.

Disable on software

First of all, including how to checkSet manuallyThe way.It is summarized for each browser.
Even if it is disabled by the setting in GPO or registry described laterCheck manuallyIt's better to keep it.

Internet Explorer

1. Start IE

There are various ways to start it, so please use the method you like.

Example [Start Button]-> [Search Box]-> "Internet Explorer"-> Click the searched "Internet Explorer" icon

XNUMX. XNUMX.Open Add-on Management

IE[Gear mark] at the top right of the screenClick and from the menu that opens"Manage add-ons"Click

XNUMX. XNUMX. Find "Shockwave Flash Object"

At the bottom left of the add-on management screen,[display:]Click the pull-down menu to open it"All add-ons"Select.

* It may not be displayed in all add-ons.In that case, try other options.In my experience, it was sometimes "run without permission".

In the screen on the right or scroll"Shockwave Flash Object"Can be found.

XNUMX. Disable "Shockwave Flash Object"

Right click on "Shockwave Flash Object"Then,"To disable"Click or"Shockwave Flash Object"After selecting, at the bottom right of the screen"Disable" buttonClick to complete the invalidation.

That's all for the setting method in IE.

Edge

XNUMX. XNUMX. Launch Edge

Please start this as you like.

Example [Start Button]-> [Search Box]-> "Edge"-> Click the searched "Microsoft Edge" icon

* If Chromium Edge is installed, it cannot be started by the normal method, so disable it by setting in the GPO or registry described later.There is a way to start it, but ... Reference:Access older versions of Microsoft Edge | Microsoft Docs

XNUMX. XNUMX.Open settings

"..." in the upper rightClick to open the menu"Configuration"Click

XNUMX. XNUMX. Turn off Adobe Flash

[Detailed Settings] on the left menuClick and"Use Adobe Flash Player" on the right OfswitchClick[off]To

That's all for Edge settings.

Chromium Edge (new Edge)

XNUMX. XNUMX. Launch Edge

Start this as you like.

Example [Start Button]-> [Search Box]-> "Edge"-> Click the searched "Microsoft Edge" icon

* Please note that if Chromium Edge is not installed, it will not be found, of course.If necessary, disable it in the GPO or registry described below.

XNUMX. XNUMX.Open settings

"..." in the upper rightClick to open the menu"Configuration"Click

XNUMX. XNUMX. Disable Adobe Flash

[Cookies and site permissions] on the left menuClick and"Adobe Flash" on the rightItem will appear, so please check that. To

Then the following screen will be displayed.Turn off the "Check before running Flash (recommended to disable)" switchTo

You can now also disable Flash Player in Chronium Edge.

Disabled by GPO

Next, I will introduce the settings in GPO.Windows 10 Pro and above editionsIf so, you can set it here so that other users can use it later.Cannot be changedTherefore, it is safe for security.

Let's set the local group policy by starting "gpedit.msc" from Run and specifying the file name!Group Policy in the domain environment is also in the same position, so please refer to it.

Internet Explorer

The applicable policy of IE is below."Enabled" when disablingPlease be careful.

[Computer Management] → [Administrative Templates] → [Windows Components] → [Internet Explorer] → [Security Features] → [Add-on Management]It is in,"Turn off Adobe Flash in Internet Explorer to prevent applications from instantiating Flash objects using Internet Explorer technology."TheEffectivenessI will.

reference:https://docs.microsoft.com/ja-jp/internet-explorer/ie11-deploy-guide/enable-and-disable-add-ons-using-administrative-templates-and-group-policy

Edge

In the case of Edge, it will be as follows.This isFlash Player is disabled by disabling itPlease note that it will be.

[Computer Management] → [Administrative Templates] → [Windows Components] → [Microsoft Edge] → [Allow Adobe Flash]TheInvalidI will.

reference:https://docs.microsoft.com/ja-jp/microsoft-edge/deploy/available-policies#adobe-flash-%E3%82%92%E8%A8%B1%E5%8F%AF%E3%81%99%E3%82%8Ballow-adobe-flash

Chromium Edge

The last is Chromium Edge.This policy may not exist by default, in which case you will need to download the policy file.
https://www.microsoft.com/ja-jp/edge/business/download

If the policy exists, it is located at:This isEnable it and then "Block Adobe Flash plug-ins"By setting toAdobe Flash disabledIt will be.

[Computer Management] → [Administrative Templates] → [Microsoft Edge] → [Content Settings] → [Adobe Flashno Default Settings]TheEffectivenessWest,Adobe Flash default settingsClick from the list"Block Adobe Flash plug-ins"Set to.

reference:https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-policies#defaultpluginssetting

Disabled in the registry

The last is invalidation by the registry.Let's set the registry by starting "regedit" from Run by specifying the file name!Please note that the setting values ​​are slightly different for each.

Also, the command for registration is also posted, so if editing with the registry editor is troublesome, you can execute that command on the administrator console.

Internet Explorer

The IE registry is as follows.

Registry key location: HKLM \ Software \ Policies \ Microsoft \ Internet Explorer
Value name: DisableFlashInIE
Value type: REG_DWORD (1: Flash disabled, 0: valid)

reg add "HKLM \ Software \ Policies \ Microsoft \ Internet Explorer" / v DisableFlashInIE / t REG_DWORD / d 1 / f

Edge

The Edge registry is as follows. Please note that the meaning is the opposite of IE.

Registry key location: HKLM \ Software \ Policies \ Microsoft \ MicrosoftEdge \ Addons
Value name: FlashPlayerEnabled
Value type: REG_DWORD (0: Flash is disabled, 1: valid)

reg add "HKLM \ Software \ Policies \ Microsoft \ MicrosoftEdge \ Addons" / v FlashPlayerEnabled / t REG_DWORD / d 0 / f

Chromium Edge

The registry of Chromium Edge is as follows.This time, the numbers are completely different, so be careful.

Registry key location: HKLM \ SOFTWARE \ Policies \ Microsoft \ Edge
Value name: DefaultPluginsSetting
Value type: REG_DWORD (2: Flash is disabled, 3: valid)

reg add "HKLM \ SOFTWARE \ Policies \ Microsoft \ Edge" / v DefaultPluginsSetting / t REG_DWORD / d 2 / f

Afterword

This time, I introduced three ways to disable Flash Player.

I introduced it by the manual / GPO / registry method, but vulnerabilities have also been pointed out, support has ended, and if it becomes necessary to fix it, I think that it will probably be disabled in the form of an update from around Windows Update. I will.I don't think we can take responsibility for information leaks, and I think we will take measures that cannot be implemented anymore.

There was a time when Flash was an essential technology for the Web, and it cannot be said that there is no active business system yet.I personally think that it was loved as a technology to show off video material until the birth of video sites such as Youtube as it is now.It was easy to create content with editing software.

I feel the passage of time that such Flash has now become an old relic.As I wrote at the beginning, I'm a little lonely personally.However, the technology of expression is only realized on another platform, and it seems like an industrial revolution for such creators.

That's all, I hope it helps you again this time.

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