It keeps saying " only one instance of this applictaion can run"

I keep getting a message " only one instance of this application can run"

http://forums.adobe.com/thread/1195540

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  • Only one instance of this application can run?!?

    this is my desktop.Why it popup this window when I click thie software.
    ;'this is my task manager. It doesn't have something related to Adole.But I still can't install it. What can I do?

    Based on the icon it seems you are trying to install Flash but you are also getting Acrobat warning prompt.
    Were you trying to install Acrobat at the same time. Has there been an updates pending for Acrobat/Reader.
    Regards,
    Ajlan Huda.

  • Why I can't install adobe keep getting: "only a single instance of this application can run"?

    Hello, Can someone help me with Adobe Flash Player installation ?
    I have tried too many things to install it but keep getting this message " only a single  instance of this application can run. 
    I can't see any Adobe applications, I've tried deleting all files adobe and still nothing.
    I have opened the task manager and try to end the processes related to Adobe manually by selecting 'End Process' and then try to install it, but nothing happened.
    I've tried 'clean boot' but neither worked.I downloaded the 'Adobe unistaller' from the official page and the 'latest version of flash player' but it doesn't work!.
    I've also went on the Adobe website and it said this error message was due to the flash application but I deleted all of those files to and still nothing.
    I've got firefox and windows 7.

    If you haven't done so already, reboot your computer, then re-run the installer you downloaded.

  • When I try to download the update a box pops up that says "only a single instance of this application can run at a time"

    Help! Every time I try to download the newest update I get a dialogue box that states " Only a single instance of this application can run at a time".

    Hello,
    What error, if any, is being displayed when you attempt to install Flash Player? 
    Please post the contents of the /Users/<YourUserID>/Library/Logs/FlashPlayerInstallManager.log for the install attempts that are failing.  These will be listed at the end of the file.  Each attempt begins and ends with --- log start ---  and --- log end ---.
    Thank you in advance.
    Maria

  • Getting Error :- Only one instance of COBRAS Export can be running at a time

    Hi All,
    I was checking the Briefcase Mode help file and it mentions for Unity Conection
    that COBRAS will run multiple instances of itself – if you schedule multiple backups to fire up at the same time they will all run at the same time.
    However if I schedule multiple backups to fire at the same time then I get the error :- "Only one instance of COBRAS Export can be running at a time".
    This also happens if the COBRAS windows is left open and the scheduled backup starts in the background.
    http://www.ciscounitytools.com/Applications/General/COBRAS/Help/COBRAS_Briefcase/COBRAS_Briefcase.htm#_Toc276653845
    I am not sure if I am making a mistake in understanding the statement :- "COBRAS will run multiple instances of itself – if you schedule multiple backups to fire up at the same time" or do we need to add any switch like lot of other application need like /m etc in the field of the scheduled backups as I see as /silent switch for process to run in background automatically but none for multiple instances.
    I am attaching the screen shots of the errors I got when
    A.) I scheduled 2 backups to run at the same time and the COBRAS application window was open "COBRASExportCUC7.exe" was running  and no backup took place and got errors for both the scheduled backups.
    And
    B.) I scheduled 2 backups to run at the same time and the COBRAS application window was closed off and "COBRASExportCUC7.exe" was not running and one of the scheduled backups started to work and the other one gave error and didn't work
    Unity Connection in use :- Version 8.0.3.20000-18
    Cobras Export :- Version 1.0 Build 76
    Please Suggest.
    Regards,
    Prad
    (E-Mail :- [email protected])

    Yeah, I’m of two minds on that – on the one hand it’s bad style to have a scheduled application popping dialog boxes (especially if you’re running as an account you don’t log in as regularly) – one the other hand I did have some sites go a while not noticing backups were failing (due to a UNC not flying any longer after a server reconfig) – folks can be bad about checking log files or the event log for issues.  A pop up would pretty much guarantee they’d notice on next login at any rate.
    I think I may stitch in email notifications in COBRAS Export in the same way they’re in the User Data Dump so failures of scheduled backups would be noticed right away (big, bright email in your box saying “failed!” would do it). 
    Either way, I’ll update the help and make sure it fails quietly for now when I update some other items on the site middle of next week.
    Thanks for the report.

  • Can't Install Flash Player, What does "Only a single instance of this application can run" mean?

    I try to follow the steps 1-3, as it shows. After it downloads, after step 2, a dialog box pops up saying “Open Executable File? Then it says it may contain viruses or malicious code and to be careful when opening file.  So I click OK, then step 3 occurs, file name lists as: install_flashplayer11x32_mssd_aih(2).exe.  So then I hit “Run”.  Then another dialog box pops up titling “UI_FlashPlayerInstaller”, and it says “Only a single instance of this application can run”, “OK”. I’ve checked to see if there is another version installed, but I don’t see any.  I am operating a Windows 32 Bit, FireFox,

    Download the full installer from this FAQ http://forums.adobe.com/thread/909550
    Save it to disk, then close all browser windows and run the downloaded installer.

  • Not able to install Adobe 17x32.Getting message  only a single instance of this application can run

    Sir,I can't install Adobe 17X32.I have      Win 7 system.All previous versions have been uninstalled and yet I am getting a message--ONLY A SINGLE INSTANCE OF THIS APPLICATION CAN RUN.How do I remedy the situation?
    Thanks,
    Message was edited by: Maria Vargas
    Removed personal email address, which should not be included in a public forum.

    Hi Viraj,
    Please try the offline installer posted at the bottom of the Installation problems | Flash Player | Windows page, in the 'Still having problems' section.
    Maria

  • "Only a single instance of this application can run" error when installing Flash

    I deleted Flash Player when trying to solve a Shockwave Flash Google Chrome issue, and after being unable to solve it I switched to Firefox. I now can't get the installer to open. I double-click on it, it asks me if I want to run it. I click Yes, then the window closes and the installer doesn't open. When I try running the installer again, I get the error message "Only a single instance of this application can run". I have tried everything. I closed Firefox, restarted my computer, and ran the Flash Player uninstaller. I am running Windows 8.1 64-bit with Mozilla Firefox and I am trying to run the latest version of Flash Players as of October 26 2014. Please help!

    The download link has moved since then: http://fpdownload.macromedia.com/pub/flashplayer/latest/help/install_flash_player.exe

  • Reinstalling - "Only a single instance of this application can run"

    I had to uninstall Adobe Reader some months back and ever since have been unable to reinstall. I get through the first couple download steps, and click yes to "allow the following program to make changes to this computer", but then it all closes down and sometimes I get the "Only a single instance of this application can run" box pop up. I googled that error message and have spent hours trying every tip on how to resolve it on various message boards but nothing works and I really need to be able to open pdfs again. Thanks for any help you can provide.

    If you are in Windows (which we don't know), you can try using this tool to first remove all traces of Reader from your computer:
    http://labs.adobe.com/downloads/acrobatcleaner.html
    Then, you can download the full offline Reader installer from
    http://get.adobe.com/reader/enterprise/
    After downloading, restart your computer and run the installer before doing anything else.

  • I get this error message: only a single instance of this application can run

    When I try to open my bank statement I get this message: only a single instance of this application can run.  Just wondering what that means,  and how do I open a file with adobe reader?

    Adobe Reader | Edit | Preferences | Security (Advanced)
    That is, start Adobe Reader.
    Chose Preferences from the Edit menu
    Look at the left hand side for Security (Advanced) and click on it
    Now look for the option to turn off Protected Mode.

  • "Only a single instance of this application can run"  Have you seen this yet?

    Hi -
    Please excuse a newbie's ignorance - I've never posted to any forums before :-)
    I am using Win7 Professional and IE9 on a well-spec'd HP PC (4GM Ram, dual core, lost of hard disk space etc).
    I have successfully downloaded Adobe Reader (install_reader 10....exe @ 703kb) using Win7.
    I cannot run this file (I have tried all I talk about here with Reader 9 and with Firefox;  all the same errors noted below get repeated)
    The error message is headed:  "UI_ReaderInstaller" and the text in the message is "Only a single instance of thsi application can run"
    The only option given is an "OK" button and leaves one having achieved nothing!
    I have never had a previous version of Adobe reader on this PC; this is a first time install attempt.
    If I search my PC for "UI_ReaderInstaller" it does not give any results!
    Please might someone more competent that I help me out here?  Maybe you've experienced this and found the solution?  Please might you share your knowledge with me?
    Thanks for reading and giving this your attention.  It is much appreciated.
    Highland D

    Hi Ankit
    Thanks for taking the troubel to reply.  Sorry if I didn't give full information (I thought I had!)
    I have successfully doenloaded the intsaller to my PC (see last post and "PScreen 1" enclosed
    When I try to run it I get the error described in my last post (see "PScreen 2" enclosed).
    I really need your help so thanks again
    Highland D

  • Can't get Adobe Flash to install; get error message "only one instance of this can run."

    I have even tried manually to install. No dice. Flash works fine in Chrome and Explorer.

    This page shows how to uninstall an installed Flash plugin.
    http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-windows.html
    '''[http://helpx.adobe.com/flash-player.html Adobe Flash Player Help]'''

  • When I try download Adobe Reader it says "Only a Single instance of this application can run"

    http://gyazo.com/00cdb591ff6116516695a9760debfe11 This is what pops up. Please help me I'm supposed to sign a contract and if I dont download Adobe Reader I wont be able to sign the contract.

    You can try using this tool to remove all traces of previous version(s) of Reader:
    http://labs.adobe.com/downloads/acrobatcleaner.html
    Then, you may download the offline Reader installer from
    http://get.adobe.com/reader/enterprise/

  • Trying to install, and after removing trial versions, I get a note that says"only a single instance of this application can run".

    Help - how do I get past this?

    IF you have a trial of Acrobat Pro and you buy it, DON'T uninstall the trial. Just license the trial and go.
    if it's too late... How did you uninstatll, and when do you get the message?

  • HOW DO I GET ADOBE FLASH TO WORK? NOW IT SAYS ONLY A SINGLE INSTANCE OF THIS APPLICATION CAN RUN.

    HAD IT BEFORE TRIED TO UPGRADE AND NOW I CAN'T EVEN GET IT TO DOWNLOAD ON FIREFOX.

    You can try using this tool to remove all traces of previous version(s) of Reader:
    http://labs.adobe.com/downloads/acrobatcleaner.html
    Then, you may download the offline Reader installer from
    http://get.adobe.com/reader/enterprise/

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