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Resolved PowerClient not launching application

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  1. Thomas Rolseth
    Thomas Rolseth
  2. PowerBuilder
  3. Thursday, 20 May 2021 19:32 PM UTC

We have a government client that has strict security protocols in place.  We deployed their application to a remote web server using PowerClient and I can download and run it from my machine just fine as can others who are not on the client network.  Smartscreen was blocking the installation of the Cloud App Launcher (CAL) for them so we packaged it up into a zip file and they were able to install it that way.  The CAL app now shows up in their control panel.

However, even with the CAL installed, when they try to start the application the microhelp on the CAL window just flashes 'connecting...' and the app files are never copied and unpacked to the local C:\Users\NAME\AppData\Roaming\PBApps folder.  Something on their side is interfering with this process.  We deployed using the 'Default_withoutervice' option and they are using HTTPS.  The application is not signed.

Is signing the exe our only option or are there other alternatives that we can have our client try?

Particulars:

PB 2019 R3 build 2703

SQL Server 2014

Windows 10

 

Thanks, Tom

  1. PowerBuilder
  2. PowerClient
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Responses (2)
Armeen Mazda @Appeon
Armeen Mazda @Appeon Accepted Answer Pending Moderation
  1. Friday, 21 May 2021 03:03 AM UTC
  2. PowerBuilder
  3. # 1

Hi Tom, It seems to me the firewall or some security setting is blocking the client to connect to the Web server and download the files.  It could be blocking all file downloads or it could be blocking a specific type of file that is required.  You need to make sure each file type you see in the Web server folder can be downloaded to the client, for example load the URL and make sure you can do a SaveAs.

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Thomas Rolseth
Thomas Rolseth Accepted Answer Pending Moderation
  1. Thursday, 20 May 2021 20:26 PM UTC
  2. PowerBuilder
  3. # 2

While we still may need to sign the exe with a cert, it seems like this isn't coming into play just yet as the exe, runtime and other supporting files have not been copied to the local machine.  The CAL window just sits there.  The microhelp suggests something is happening but nothing ever does.

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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Friday, 21 May 2021 16:38 PM UTC
Hi Tom ... no, if you check that option the App EXE may not work properly unless the MS-Windows user is an ADMIN. I normally leave that option OFF
  1. Helpful
Thomas Rolseth
  1. Thomas Rolseth
  2. Monday, 24 May 2021 20:33 PM UTC
Chris,

I tried your suggestion of using the 'Embedded Manifest' option but it did not resolve the issue. When you click the 'Start the Applicaiton' button the launcher window, nothing ever happens -- i.e. no files are copied from the server to the users pc. It just seems to hang. Eventually we have to kill it.



Tom
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Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Tuesday, 25 May 2021 17:53 PM UTC
Hi Tom ... If this issue persists, I would recommend opening a support ticket so that Appeon can start looking at the logs around this issue.
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