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Every couple weeks I get a popup when I first boot up to update Adobe Flashplayer. It will not update and I've tried so many times. I get this message each time I try to download & Run the installer... ""The signature of flashplayer18au_ra_imstall.exe is corrupt or invalid."" So I click delete for the file.
My operating system - 64-bit Windows 7 Ultimate w/Service Pack 1
Intel Core i7
My Flash Version- 17.0.0.188
My browser name- Internet Explorer (ActiveX)
Internet Explorer 32-bit
Version 11.0.9600.17843
Update Versions: 11.0.20 (KB3058515)
YES, the Flash Player IS enabled under Tools/Manage Add-ons in Internet Explorer.
How am I supposed to update my Flash Player? Thank you for any help in advance.
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There are a lot of fake popups that impersonate legitimate Flash Player upgrade notifications. Flash Player is ubiquitous, and the malware guys are playing a numbers game, so we're the big target.
The best thing you can to is to simply enable automatic updates for Flash. You can do that from Control Panel (System Preferences for the mac folks) > Flash Player > Updates > Allow Adobe to install updates (recommended). This will make sure that you get the latest security fixes. You'll still get some legitimate update prompts from Adobe, but if you bookmark http://get.adobe.com/flashplayer, you can just go there directly and know that you're always getting a legitimate copy of Flash Player.
If you're seeing these prompts periodically on random websites, it's possible that your router has been infected with a virus, particularly if you haven't updated the firmware recently. Fortunately, those attacks are memory-resident, so unplugging the router and plugging it back in will temporarily remove the virus, and updating the firmware should address the vulnerability that allowed the infection in the first place. Background: There's now an exploit for 'TheMoon' worm targeting Linksys routers | Computerworld
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Thank you for responding but the link you posted for the flashplayer is the same link I've been trying to no avail. I just tried it again (clicking your link) and got the same error popup as I posted in my message at the beginning of this thread about the signature being corrupt or invalid. AND I do have automatic updates for Flash enabled and it is Adobe sending me the update prompts. I always untick the offers for Google Chrome and Google Toolbar as all I want is the flashplayer update and that knocks it down to like 17 MB.
This has happened before to me, perhaps a year or two ago (as well as to tons of other folks at the same time) and eventually it got straightened out and went in for me though it took quite awhile before it did.
Yhanks again for responding though,
Sherry
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I'm confident that the binaries that we're serving are correctly signed, so they're either getting modified in transit (which is unlikely as they're delivered over SSL), they're getting corrupted as or after they're written to the computer, or your computer isn't able to confirm the validity of the digital signature on the installer.
Let's try our offline installers since it's an easy test and rules out some possibilities, but I have a feeling that you're going to run into the same issue.
Links to the offline installers are at the bottom of this guide.
https://helpx.adobe.com/flash-player/kb/installation-problems-flash-player-windows.html
Win7 supports the cryptography correctly, but if the system time is incorrect or you're missing a lot of Windows updates, that may lead to a situation where your computer will not be able to successfully validate the signing certificate's trust chain. Please check to make sure that the time on your computer is reasonably accurate, and run Windows Update to make sure you have all the latest patches.
If that doesn't work, we should make sure that your filesystem is in a good state, to rule out the possibility that the files are being damaged as they're written.
Check your hard disk for errors - Windows 7:
https://support.microsoft.com/en-us/kb/2641432
If that doesn't work, I'd recommend that you download and run a reputable virus scanner, and an anti-malware scanner (www.malwarebytes.org is free and well-respected) to make sure that there's not something nefarious happening.
If you're still stuck and everything comes back clean, please let me know.
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My system is all up to date for security patches EXCEPT for the patches for Microsoft Office because I do not have that installed and never did have it installed. The only thing I do have installed is the little Microsoft word viewer which is all patched up to date.
I just checked my hard disk for errors and it is all ok.
I already have mbam (antimalwarebytes) installed and run it frequently but did just run it again. All good on that.
I had tried the offline installer a few times from that page you listed but get the same answer Just as you predicted I would.
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As I said before, I, and many others, had this same thing happen a year or two back. I posted on the forum then along with others about the problem. Eventually I was able to get the update to work. Looks like I'm faced with the same thing again and will just have to wait and keep trying to update for a few months.
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We shipped a release today, just curious if you're running into the same issue with the latest installer.
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I think I did get the update popup again a day or two ago but just got the same error message as all the other times when I tried it. This is really getting quite annoying but I just need to be patient.
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I noticed that the digital certificate algorithm of flashplayer29au_ra_install.exe is using sha1 and wonder if this is what causing the issue? Would you have an exe file that uses sha-2 hashing algorithm to see if this would help resolve the issue? Your help is much appreciated.
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The issue you're replying to is from 2015. If you're having installation problems, we should probably start at step one and work through the troubleshooting process.
The installers we ship are tested exhaustively (and in fact, come from a third-party team that creates the shared installation technology for Flash, Reader, and the other free Adobe products). The digital signature algorithms employed are chosen because they work on the full set of operating systems that are currently supported. It's also not feasible to just crank out a binary with a different signature. Our build and deployment infrastructure is tremendously complex.
I'd recommend taking a look at the installation troubleshooting guide, and starting a new thread with the relevant details and testing outcomes. This will save the original poster from email updates about your issue (I'm sure they've long since moved on), and will allow us to better focus on the issue that you're actually experiencing.
Here's the troubleshooting guide:
https://helpx.adobe.com/flash-player/kb/installation-problems-flash-player-windows.html
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Hi Jeromiec83223024,
Thank you for your response and suggestion. I went through the troubleshooting guide before I went on the forum and asked the question about the hashing algorithm. Basically, I have a Windows 7 Professional workstation, 64-bit with IE11 and as one of the applications need the later version of Adobe Flash Player, I went to https://get.adobe.com/flashplayer/ and then clicked Install, a Pop up appeared and whether I click Run or Save (and Save as), I get the same error message "The signature of the program is corrupt or invalid..." I then save it as and right click flashplayer29au_ra_install.exe and click run anyway. It will then launch and try to install but before it gets to 100% a red x will pops up to where the progress indicator is and the Finish button will appear so I click Finish and it say unable to install the Flash Player. I have added it to the trusted site, made the security to Low and even turned off my anti-virus, restarted workstation and then tried again but to no avail.
I can confirm that Flash Player add on is enabled in IE11. I am an administrator for this workstation so it's not a question of permission. I even tried to install Flash Player for Internet Explorer - Activex on the helpx.adobe.com web page and got the same error message. I would really be grateful if you can assist in getting this resolved.
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The installer logs would be super helpful in this instance.
Once you've shared the logs, give the offline installers a shot. Links are at the bottom of that troubleshooting guide.
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Apologies for late reply. I already tried using the offline installers but got the same error. What I have observed is that the installation will only go as far as 50% before the red x pops up next to the progress indicator and the Finish button appears followed by the error message, "Adobe Flash Player could not be installed". Unfortunately no installer logs created. I looked in c:\windows\SysWOW64\Macromed and tried to find it as well in c:\windows\system32 but can't find Macromed folder. I was able to find Adobe_ADM.log and Adobe_GDE.log in the AppData\Local\Temp
06/04/18 12:43:40:137 | [INFO] | | ADM | | ApplicationContext | | | 4788 | *********************** ADM Workflow start. Version: 2.0.0.163s **************************
06/04/18 12:43:40:137 | [INFO] | | ADM | | ApplicationContext | | | 4788 | Admin and not child process. No need for IPC
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | White listed URLs are
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | get.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | get2.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | aihdownload.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | admdownload.stage.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | admdownload.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | airdownload.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | ardownload.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | ardownload2.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | download.macromedia.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | fpdownload.macromedia.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | fpdownload2.macromedia.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | fpdownload.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | fpdownload2.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | platformdl.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | platformdl-stage.corp.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | wwwimages2.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | wwwimages.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | wwwimages.stage.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | wwwimages2.stage.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | dlmping.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | dlmping2.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | dlmping3.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | dlmping4.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | get3.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | get3.stage.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | adobetag.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | promotion.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | stats.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | sstats.adobe.com
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | White listed Machine Registries are
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | system\currentcontrolset\control\session manager\environment\
06/04/18 12:43:40:167 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\microsoft\windows nt\currentversion\
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\microsoft\windows\currentversion\uninstall\
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\wow6432node\microsoft\windows\currentversion\uninstall\
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\microsoft\windows\currentversion\app paths\
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\macromedia\
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\adobe\setup\reader\
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\mcafee safe connect
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\wow6432node\adobe\setup\reader\
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | White listed User Registries are
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\microsoft\windows\shell\associations\urlassociations\
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | software\macromedia\
06/04/18 12:43:40:168 | [INFO] | | ADM | | ApplicationContext | | | 4788 | Actual OS locale:'en_GB', OS locale for this instance:'en_US', ADM locale : en
06/04/18 12:43:40:309 | [INFO] | | ADM | | WorkflowManager | | | 5196 | Complete ADM URL after encoding: https://get.adobe.com/flashplayer/webservices/adm/?cname=flashplayer29ax_ra_install.exe&bname=flashp...
06/04/18 12:43:40:512 | [INFO] | | ADM | | ApplicationContext | | | 5200 | sc_code : FP
06/04/18 12:43:40:512 | [INFO] | | ADM | | ApplicationContext | | | 5200 | ping : {"pagename":"ACDC_FP_ADM_Launched","channel":"ACDC_FlashPlayer","prop1":"ADM","prop2":"ACDC Downloads","prop3":"get.adobe.com","prop4":"en_US","prop5":"en_US:ACDC_FP_ADM_Launched","products":";FlashPlayer_ADM","eVar74":"","events":"event96","eVar73":"ACDC_FlashPlayer"}
06/04/18 12:43:42:031 | [INFO] | | ADM | | ApplicationContext | | | 5272 | ping : {"pagename":"ACDC_FP_ADM_Pref_0","channel":"ACDC_FlashPlayer","prop1":"ADM","prop2":"ACDC Downloads","prop3":"get.adobe.com","prop4":"en_US","prop5":"en_US:ACDC_FP_ADM_Pref_0","products":";FlashPlayer_ADM","eVar74":"","events":"","eVar73":"ACDC_FlashPlayer"}
06/04/18 12:43:42:142 | [INFO] | | ADM | | WorkflowManager | | | 5272 | WorkflowManager.startPrechecks for product:Adobe Flash Player isPreInstalled:false isDiskSpaceAvailable:true
06/04/18 12:43:42:248 | [INFO] | | ADM | | ApplicationContext | | | 5272 | WorkflowManager.gtb precheck in elevated shell -- errorCode:0 returnCode:0
06/04/18 12:43:42:248 | [INFO] | | ADM | | WorkflowManager | | | 5272 | WorkflowManager.startPrechecks for product:Google Toolbar isPreInstalled:false isDiskSpaceAvailable:true
06/04/18 12:43:42:284 | [INFO] | | ADM | | ApplicationContext | | | 5272 | WorkflowManager.gcc precheck in non elevated mode -- errorCode:0 returnCode:0
06/04/18 12:43:42:298 | [INFO] | | ADM | | ApplicationContext | | | 5272 | WorkflowManager.gcc precheck in elevated mode -- errorCode:0 returnCode:0
06/04/18 12:43:42:298 | [INFO] | | ADM | | WorkflowManager | | | 5272 | WorkflowManager.startPrechecks for product:Google Chrome isPreInstalled:false isDiskSpaceAvailable:true
06/04/18 12:43:42:298 | [INFO] | | ADM | | WorkflowManager | | | 5272 | WorkflowManager.startPrechecks for product:McAfee Security Scan Plus isPreInstalled:false isDiskSpaceAvailable:true
06/04/18 12:43:42:298 | [INFO] | | ADM | | WorkflowManager | | | 5272 | WorkflowManager.startPrechecks for product:McAfee Safe Connect isPreInstalled:false isDiskSpaceAvailable:true
06/04/18 12:43:48:892 | [INFO] | | ADM | | ApplicationContext | | | 5388 | Installation started for package 'Adobe Flash Player'
06/04/18 12:43:49:254 | [ERROR] | | ADM | | ApplicationContext | ValidationFailure | | 5388 | Binary signature validation failed.
06/04/18 12:43:49:254 | [ERROR] | | ADM | | ApplicationContext | InstallError | | 5388 | Error while validating installer for package 'Adobe Flash Player' at path 'C:\Users\esterp\AppData\Local\Adobe\CFBA998E-3D86-4F85-8037-EED17F7F4C4E\1AB7A1A9-C665-4AF3-9E47-304B6E5C7E67\ADB3D406-B48C-49FC-A3D4-E5C535C44CF2'
06/04/18 12:50:47:647 | [WARN] | | ADM | | ApplicationContext | | | 4032 | DlmPing. ping url empty for package : McAfeeSecurityScanPlus
06/04/18 12:50:47:648 | [WARN] | | ADM | | ApplicationContext | | | 4032 | DlmPing. ping url empty for package : McAfeeSafeConnect
06/04/18 12:50:47:648 | [INFO] | | ADM | | ApplicationContext | | | 4032 | ping : {"pagename":"ACDC_FP_ADM_Download_Failure_exitcode=-1","channel":"ACDC_FlashPlayer","prop1":"ADM","prop2":"ACDC Downloads","prop3":"get.adobe.com","prop4":"en_US","prop5":"en_US:ACDC_FP_ADM_Download_Failure_exitcode=-1","products":";FlashPlayer_ADM","eVar74":"","events":"","eVar73":"ACDC_FlashPlayer"}
06/04/18 12:50:47:658 | [INFO] | | ADM | | ApplicationContext | | | 4032 | Start Application Detection Id
06/04/18 12:50:47:747 | [INFO] | | ADM | | ApplicationContext | | | 4788 | *********************** ADM Workflow end. Version: 2.0.0.163s **************************
=====
06/04/18 12:43:40:309 | [INFO] | | | | | | | 5196 | *******************start of Download****************
06/04/18 12:43:40:309 | [INFO] | | | | | | | 5196 | GDE Version is 2.0.0.1
06/04/18 12:43:42:304 | [INFO] | | | | | | | 5272 | The file to be downloaded is https://platformdl.adobe.com/adm/smanifest/flashplayerax_2900171.xml
06/04/18 12:43:42:305 | [INFO] | | | | | | | 5272 | Going to download the file at C:\Users\ester.phillips.CCSNUFFIELD\AppData\Local\Adobe\CFBA998E-3D86-4F85-8037-EED17F7F4C4E\1AB7A1A9-C665-4AF3-9E47-304B6E5C7E67/CE25D55E-981E-47EB-9939-16844EC35E1F
06/04/18 12:43:42:305 | [INFO] | | | | | | | 5272 | Preference: Client has set the preference for single stream download
06/04/18 12:43:42:606 | [INFO] | | | | | | | 5332 | **File download complete.**
06/04/18 12:43:42:619 | [INFO] | | | | | | | 5332 | The file to be downloaded is https://fpdownload.adobe.com/pub/flashplayer/pdc/29.0.0.171/install_flash_player_ax.exe
06/04/18 12:43:42:619 | [INFO] | | | | | | | 5332 | Going to download the file at C:\Users\ester.phillips.CCSNUFFIELD\AppData\Local\Adobe\CFBA998E-3D86-4F85-8037-EED17F7F4C4E\1AB7A1A9-C665-4AF3-9E47-304B6E5C7E67/ADB3D406-B48C-49FC-A3D4-E5C535C44CF2
06/04/18 12:43:42:701 | [INFO] | | | | | | | 5332 | Header Field for the HEAD request is :
HTTP/1.1 200 OK
Connection: keep-alive
Date: Mon, 04 Jun 2018 11:43:42 GMT
Content-Length: 20355040
Content-Type: application/octet-stream
Last-Modified: Tue, 08 May 2018 03:29:13 GMT
Accept-Ranges: bytes
ETag: "13697e0-56ba963e4c293"
Server: Apache
06/04/18 12:43:42:712 | [INFO] | | | | | | | 5332 | Logging the HTTP Header for Byte-Range query :
06/04/18 12:43:42:712 | [INFO] | | | | | | | 5332 | Header contents:
HTTP/1.1 206 Partial Content
Connection: keep-alive
Date: Mon, 04 Jun 2018 11:43:42 GMT
Content-Length: 2
Content-Type: application/octet-stream
Content-Range: bytes 20355038-20355039/20355040
Last-Modified: Tue, 08 May 2018 03:29:13 GMT
Accept-Ranges: bytes
ETag: "13697e0-56ba963e4c293"
Server: Apache
06/04/18 12:43:48:883 | [INFO] | | | | | | | 5388 | **File download complete.**
06/04/18 12:50:47:735 | [INFO] | | | | | | | 4788 | *******************End****************
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Just to be clear, I can find Macromed in SysWow64 folder but not in system32. Macromed in SysWow64 doesn't contain the installer log. So far I have 3 workstations that are getting this issue so would be really grateful if you could help me in resolving this issue.