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Adobe Flash won't download on Mac OS 10.11.6

New Here ,
Jul 26, 2016

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I am having an issue updating my flash player. I uninstalled the previous version of flash player and followed all instructions trying to reinstall. I keep getting a failure message at 55% install. Please help!!!

Here is the link to all of the normally requested files:

Shared Files - Acrobat.com

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Adobe Flash won't download on Mac OS 10.11.6

New Here ,
Jul 26, 2016

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I am having an issue updating my flash player. I uninstalled the previous version of flash player and followed all instructions trying to reinstall. I keep getting a failure message at 55% install. Please help!!!

Here is the link to all of the normally requested files:

Shared Files - Acrobat.com

Topics

Download install

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Adobe Employee ,
Jul 26, 2016

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New Here ,
Jul 27, 2016

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Hey, I appreciate the feedback but Ive already followed all of those steps and even tried researching the web for possible solutions. No matter what I do, the installation always fails at 55%.

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Adobe Employee ,
Jul 27, 2016

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If you haven't rebooted yet, that's a great place to start.  At minimum, it will eliminate a bunch of potential roadblocks for other steps.

If rebooting doesn't help, please see the installation troubleshooting guide:

https://helpx.adobe.com/flash-player/kb/installation-problems-flash-player-mac.html

Collecting and posting the logs would help us improve the product, and the links to the offline installers at the bottom of the guide should get you going.

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New Here ,
Jul 27, 2016

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i have the same issue, i've tried rebooting, uninstalling and installing again, nothing works progress for the installation reaches 55% and then fails, i have flash player plug in on chrome working fine, but is impossible to install it on Safari.

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Adobe Employee ,
Jul 28, 2016

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Hi,

Could you provide us with few log files that would help us debug. Please go through the FAQ Where do I find the Flash Player installation log on the Macintosh? and provide the Adobe_GDE.log, Adobe_ADM.log and FlashInstall.log files. Upload the files to cloud.acrobat.com/send using the instructions at How to share a document and post a link here.

Thanks!

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New Here ,
Jul 29, 2016

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I am having the same problem on my Mac OS 10.11.6

Here's a link to my files:

Shared Files - Acrobat.com

Please help!

Thank you!

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New Here ,
Jul 30, 2016

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Fixed it with a clean install. Thanks!

How to perform a "clean install" of Flash Player in Mac OS X

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New Here ,
Jul 29, 2016

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Same problem on my iMac running OS 10,11.5. Install reaches 90%, stops and then cannot be aborted. Have to use Force Quit.

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New Here ,
Aug 09, 2016

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I was getting an Installation error at 90%. Clean install did not work for me.

inspecting the log file in the terminal ...

# cat ~/Library/Logs/FlashPlayerInstallManager.log

revealed a permission error...

2016-08-09 10:23:28 +0100   IM: [install started]

2016-08-09 10:23:28 +0100   RA: Unable to launch FPInstallHelper. Error = 'launch path not accessible'

2016-08-09 10:23:28 +0100   RA:

Attributes for '/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/FPInstallHelper':

{

    NSFileCreationDate = "2016-06-29 01:09:55 +0000";

    NSFileExtensionHidden = 0;

    NSFileGroupOwnerAccountID = 0;

    NSFileGroupOwnerAccountName = wheel;

    NSFileHFSCreatorCode = 0;

    NSFileHFSTypeCode = 0;

    NSFileModificationDate = "2016-06-29 01:09:55 +0000";

    NSFileOwnerAccountID = 0;

    NSFileOwnerAccountName = root;

    NSFilePosixPermissions = 2541;

    NSFileReferenceCount = 1;

    NSFileSize = 27184;

    NSFileSystemFileNumber = 90527959;

    NSFileSystemNumber = 16777220;

    NSFileType = NSFileTypeRegular;

}

2016-08-09 10:23:28 +0100   RA:

Attributes for '/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T':

{

    NSFileCreationDate = "2015-07-04 14:58:09 +0000";

    NSFileExtensionHidden = 0;

    NSFileGroupOwnerAccountID = 0;

    NSFileGroupOwnerAccountName = wheel;

    NSFileModificationDate = "2016-08-09 09:23:28 +0000";

    NSFileOwnerAccountID = 0;

    NSFileOwnerAccountName = root;

    NSFilePosixPermissions = 449;

    NSFileReferenceCount = 12;

    NSFileSize = 408;

    NSFileSystemFileNumber = 3805633;

    NSFileSystemNumber = 16777220;

    NSFileType = NSFileTypeDirectory;

}

2016-08-09 10:23:29 +0100   IM: [install failed: 30]

2016-08-09 10:23:29 +0100   IM: Install failed with error code: 30.

2016-08-09 10:23:29 +0100   IM: NPAPI 22.0.0.209 ---------- log end ----------

checking this folder...

# ls -l /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/

revealed that the 'T' sub folder was only writable by root

total 0

drwxr-xr-x   7 root  wheel  238  9 Aug 10:23 0

drwx------  13 root  wheel  442 20 Jul 09:26 C

drwxr-xr-x   4 root  wheel  136  9 Aug 10:02 Cleanup At Startup

drwx------  11 root  wheel  374  9 Aug 10:23 T

adding permissions for wheel group to 'T' folder...

# chmod 750 /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T

then running installer again succeeded.

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New Here ,
Aug 09, 2016

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Thanks for your solution, which is alas incomprehensible to me. Could you write some simple instructions please?

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Adobe Employee ,
Aug 09, 2016

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Here's official, user-friendly installation troubleshooting guidance.  I'd recommend starting here before  going down more esoteric paths.

If you haven't rebooted yet, that's a great place to start.  At minimum, it will eliminate a bunch of potential roadblocks for other steps.

If rebooting doesn't help, please see the installation troubleshooting guide:

https://helpx.adobe.com/flash-player/kb/installation-problems-flash-player-mac.html

Collecting and posting the logs would help us improve the product, and the links to the offline installers at the bottom of the guide should get you going.

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New Here ,
Dec 09, 2016

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The permissions issue is right on track. Mine was stopping at 53% and I could see the same error in the logs.

The correct fix is documented here:

macos - How can I fix permissions for files in the /var/folders/zz? - Ask Different

But basically you can do this:

sudo rm -rf /var/folders/zz/zy*
sudo shutdown -r now

After a reboot things should work.

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New Here ,
Aug 09, 2016

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Same problem here:

MAC OSX El Capitan, Safari: I try to install the flash player, but the installer stops at 90 %. Tried it with browser on and of, dropbox on/of and no virus scanner.

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