Acrobat.exe Process Doesn't Terminate When Closing Acrobat

Jun 1, 2012

I'm having a problem with closing Acrobat. I'm using to sign a PDF file in running Acrobat. After I'm done I close Acrobat and try to delete the currently signed PDF file, but I get an error message telling me that file is being used by another process. I tried closing and setting to Nothing AcroApp, AcroAVDoc, AcroPDDoc JSO, but still that doesn't work. I tried releasing them with Marshal.ReleaseComObject(...) still no effect.[code]


Acrobat 7 Not Closing When Open With OLE?

Jun 21, 2010

I'm writing an app that prints of batches of documents to clients for posting. The printer uses OMR to collate and fold the documents into envelopes automatically.The document inputs will either be Word or Adobe Acrobat. I have routines to print off each document type while adding OMR on the fly.

The issue I have is that when the routine for PDF is run, the Adobe file is not closing properly. So when the next clients batch is being printed, there is an error saying that the document is locked by another user or process.I'm using the Acrobat 7 reference library and have Acrobat 7 installed on my machine (full blown product, not reader,) I'm closing the PDDocument, the AVDocument and the application in the code and I've even wrote a routine to kill the process to no avail.


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I've written an interface with a 3rd party web service in VB.NET. The final step in that interface involves the 3rd party delivering to us (as a stream) a PDF document. After streaming is complete I save a copy of the PDF on our servers, so that our users can view the PDF by clicking on a link in our system. The PDF opens fine in Acrobat X, but when I try to open it programatically I an error saying that "the file is damaged and could not be repaired". I can also open the file in IE just fine, with no issues, and the same code that displays this PDF works just fine on lots of other existing PDFs that predate the 3rd party interface.

I have emptied out temporary internet files as suggested in some posts I saw online. I also opened the PDF in Notepad++ and the %PDF tag is first, and the %%EOF tag is last, so there's certainly no corruption visible in the document source that I can see. Below is the (very standard) code we use to open PDFs into a separate browser instance on our site:

PDFFile = System.AppDomain.CurrentDomain.BaseDirectory & Request.QueryString("LetterPath") & Request.QueryString("Letter")
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Mar 30, 2009

I am currently generating paper forms from backend database using reporting facilities in apps. I am now required to turn these reports into PDF forms that can be sent via email to clients who can then fill in the remaining fields not filled-in in the first place at form creation.

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IF I open up IE, which I assume the WebBrowser control is based on, I can type the path of the PDF in the address bar, and it views it in the browser, just as it should.

When I do "navigate" to a PDF file, I do notice a short popup (and progress bar) before viewing the PDF in acrobat. It happens so quickly that I can't read it, but it looks like a download progress bar.

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Public Shared Sub StreamPdfToBrowser(ByVal doc As Document)
Dim Ctx As HttpContext = HttpContext.Current
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Jun 4, 2012

I'm currently having an issue with VB.Net and Adobe Acrobat. The issue comes from exiting Acrobat but the Windows Taskbar still states that there is an Acrobat.exe process open. I have tried using Marshal.ReleaseComObject(), but it still hangs there. I do not want to have to rely on the "End Process" option on the Task bar in order to remove it.

Below is a snippet of the code that I am try to using:
'Tries To Close Acrobat Application
[Code] .....

Although I am not sure if this could be a problem - I run a javascript saveAs script on the Acrobat side in order to make a copy of the file. This also could be a reason why it is hanging, but I ruled it out based on basic knowledge of saving files and exiting from other Acrobat/Microsoft Programs. Acrobat only closes when my application ends. (Currently) I am trying to make it consider the case if a user manually closes the Acrobat application.

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I am creating a project with VB2008 Express Edition. The end result will be a CD containing tech manuals in pdf format which will be accessed via various buttons on a form. I am going to include Acrobat Reader Redisributable on the CD which the user can install by pressing a button on the form if required. What I want to do is this:- When the user inserts the CD into the PC, the form will load.When the form loads, I want to search the users PC to determine if Acrobat Reader is installed.If the Acrobat Reader program is not found on the system, then display a MessageBox to inform the user to install the reader from the CD.Would this involve searching the users registry? I would need to insert in my Form1_Load sectionTarget systems would be Windows XP/ Vista with programs on the C: drive as default.

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I have a simple GUI form to hide / show / minimize / terminate / force terminate Processes. i can do all well but for show and hide i need the MainWindowHandle to show or hide it

So here is hide process code:

Dim Proc As New Process = Process.GetProcessesById(List.SelectedRows(0).Cells(1))
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If i try the same with show code:

Dim Proc As New Process = Process.GetProcessesById(List.SelectedRows(0).Cells(1))
Dim hwnd = Proc.MainWindowHandle

The MainWindowHandle become 0 cuz its hidden is there is any other way to get the MainWindowHandle of Process ?

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Feb 23, 2011

I have an MDI form as the app start object.I don't think is related, but in the Form closing event, I check for some condition, and if it's true, I ask for confirmation before closing:

Private Sub FormBackground_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
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So long, everything works fine in my development machine, which runs windows XP.However, when deploying the application in a windows 7 machine, the message box works correctly, showing itself whenever it should, but after the form is closed the application keeps running in the background. This happens whether the form closes directly or asks the user first.I have fixed it putting an End instruction in the FormBackground.FormClosed event, but it doesn't feel good.

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I have a DLL that copies an Access database, opens it, reads it, and then closes it. The second time through it is unable to copy the Access DB because the EXE has an open handle to it. The EXE does not reference the Access DB at all, it just has the open handle because it calls my DLL. After I close the DB, I would like to terminate the EXE's handle to the Acess DB. BTS - I wrote the DLL and it is my Access DB. Another company wrote the EXE and I can not make any changes to it. 

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Nov 6, 2009

I'm having troubles with terminating an application. When I close the main form everything disappears but the process remains active. I think I know the cause, a certain activeX component will not release properly. As soon as I create one, I can't close normally...

dim someActiveXcomponent = new X()
someActiveXcomponent = nothing
GC.WaitForPendingFinalizers ' here it hangs

Probably a bug in that component, but the problem is that I don't have much of a choice, I'll have to use that component for now.

System.Runtime.InteropServices.Marshal.ReleaseComO bject( myObject )
will kill the reference and now the application closes properly.

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Jul 25, 2011

I am working on a Windows Service project that is supposed to start automatically with Windows and it has a timer to check if a certain process is created (in this case "iexplorer") the service should terminate that process. In addition, the user should not be able to stop the windows service.

I was able to create the process and make start with Windows. I changed the property (CanStop) to False but that did not help because after a few tries the servise stops. I used a For-Next loop in the timer to check for the process to terminate but unfortunatly, it didn't work. The code I used is:

Dim theProcesses() As Process = System.Diagnostics.Process.GetProcessesByName("Iexplore")
For Each currentProcess As Process In theProcesses


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Sep 2, 2010

Excel process will not terminate...
oExcel = CreateObject("Excel.Application")
oBooks = oExcel.Workbooks
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oSheet = oBook.Worksheets(1)
[Code] .....

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Dec 19, 2010

I got exactly the same situation as the following link. I need to end the excel process after calling it in Visual Basic. But it did not and I have to use task manager to kill EXCEL process manually.


I have been trying the same solution mentioned in the above link but not successful. Can any body to take the code below to let me know what I am doing wrong?


Please use the CODE tags when posting code. Click on this post's quote button to see how.

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Mar 20, 2012

my app currently has a process thats ongoing (even when I navigate back to the main screen of my app). Is there any code I can use to terminate all the processes on that page before it navigates back to the main screen. In other words the page should reset to its original form?

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Sep 13, 2011

I have this on the form load;

Private Sub frmMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.Visible = False
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Notice: I used "End", to terminate the process.What I want to do is when the last function is called (Delete_AutoReq_PracNo) it terminates the execution of the application.

Reason...I'll schedule this application to ran from MS SQL Server at night. So realistically, doing all the processes I would like it to stop...Is what am doing sufficient to stop the application from running or there is a more robust approach..

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Nov 30, 2011

How to terminate a process while it had take the CPU under its control I am designing a project as a part of my study in college.

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Feb 14, 2010

I made a Vista Aero -style form for XP, but when using it, the application won't close. The FormClosed and Disposed events fire, but not the HandleDestroyed event. I tried to get around that by handling the Disposed event and calling Me.DestroyHandle(), and it worked, but not if the user resized the form so that it caused an IndexOutOfRangeException in BlurImage().The code is attached.

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Apr 20, 2011

I am working on a .NET console app which needs to clean up resources on exit. The problem I'm running into is that I don't get any notification if the cmd parent is closed via the console window [X], via Task Manager/Process Explorer or programmatically with WM_CLOSE. I can live with not being able to handle Kill Process from Task Mgr. or ProcExp. WM_CLOSE of the parent console is the most likely way that this application will be closed before it's finished processing.

Here are the events I've tried to register for so far:
AppDomain.CurrentDomain.ProcessExit += CurrentDomainProcessExit;
AppDomain.CurrentDomain.UnhandledException += CurrentDomainUnhandledException;
Console.CancelKeyPress += ConsoleCancelKeyPress;
Application.ApplicationExit += ApplicationApplicationExit;
[Code] .....

These events fire properly when I send a CTRL+C from the console or the application finishes uninterrupted. But none of them fire when the parent app (cmd console) is closed. (The parent/grandparent processes aren't CLR so I'm not sure I would ever receive those Disposed/Exited events. Those are just shots in the dark.) I've looked at some pInvoke stuff but I would rather not go down that road if .NET is an option. Is there a way to detect and handle a shutdown in these situations? I am open to any .NET, pInvoke/Win32/C/C++ solution. (Basically any way it can be done on the Windows platform.). I'm still working with .NET 2.0 so I can't use anything introduced in .NET 3.0+

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Aug 6, 2009

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Oct 29, 2011

I am writing an application that needs to be running all the time and I don't want the user to be able to close it. I don't want to hide the process from Task Manager. All I need is that when the user tries to terminate the process, he has to enter a password.

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Apr 29, 2010

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I have a couple web file requests in my program, which is the only thing out of the ordinary (code-wise) for me, don't know if those are the root of the problem. I can't imagine this is the first time this has happened to anyone, but I couldn't find anything helpful with my search terms. Any ideas/common solutions? I can post sections of my code if it will help, but the whole thing is pretty long and I couldn't narrow down any potential problem areas.

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The program closes, without asking for a save, gets me the data I need, but remains in the process list.
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Jan 4, 2012

I'm developing Applications in VB.NET 2008.

I have MDI Parent Form and i'm going load all form as MDI child. Here i'm going to give option to "Close All" toolstripbutton in top of MDI Parent to close All mdi child forms.

Now i would like to check that  On click of Close All Toolstripbutton , i have to close all mdi child form but except those form is on process, example, I have opened/Loaded 5 MDI child forms within MDI Parent Form.

Child forms are ( just for example ) ,

1. Customer details Form

2. Item Details  Form

3. Import Orders  Form

4. Stock Details  Form

5. Production Entry Form

Here 3.Import Orders form is importing from Excel with 5000 records  and 4. Stock details form exporting to excel.

So now if i click "Close All" button then i have close only Idle form i.e 1,2 and 5 but i should not close 3 and 4 since its on some process.
So Is there any .NET option to check that form in process/idle or do I have to check manually by having any Flags ?

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Dec 20, 2011

Am trying to achieve a couple of things: merge a bunch of individual text files into a combined file, move the files that were combined into a new folder. I have assigned each of these tasks to a method. Something in the first method is hanging on to the file, even though I am closing and disposing the stream reader - but I can't figure out what. I know that a process from the first method is hanging on to the file because when I comment out the first method, the second method moves the files without a problem.

EDIT The first method is returning a value for new big file. This is passed as a parameter to the second method. When the second method tries to reference this file, that is when the program throws the error (5th line from bottom) Most posts on SO advise closing/disposing IO objects, but I am already doing that. They also advise using a third party tool to investigate what process is hanging on to a file, but I already know that it is the first merge method (because when it is commented out the program runs).


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Feb 22, 2012

I'm reading a file and then closing it with the following code, but my problem is later when I start a batch process it says the file is still in use.  Am I doing something wrong in closing it?  The process was working fine prior to my adding this code to read the file.


This rexx exec is trying to write to the file that I read from in the prior step before creating a PowerPoint presentation, but fails becuase of the lock.I'm at a loss.  I should qualify and say the process actually starts, but fails in the rexxexec after it starts, it isn't failing on the process start the rexx exec issues a message that it can't write to the file becuase it is in use.

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Nov 21, 2010

I'm trying to start the process Store.Client.UI.exe which is located at: "C:Program FilesIntelIntelAppStoreinStore.Client.UI.exe", or "C:Program Files (x86)IntelIntelAppStoreinStore.Client.UI.exe" for 64bit like me, so I use the code:

If My.Settings.instpathtype = 86 Then
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Where my.settings.instpathtype is whether the computer is 64 or 32 bit. But when I run it, it doesn't run Store.Client.UI.exe for some reason. When I go into Explorer and type "C:Program Files(x86)IntelIntelAppStoreinStore.Client.UI.exe" it runs Store.Client.UI.exe.

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Feb 15, 2009

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Jul 18, 2009

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Nov 6, 2009

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May 3, 2010

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Jun 4, 2010

Dim frm As Form
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I have seen info on using the Project Property Shutdown mode When startup form closes and I currently have this set.

Is this all that is really necessary? Will the garbage disposal close everything else to free up RAM?

Also, if I have several forms open and want to close all from the main form without closing each one individually, what is the best approach? Is there a collection like in VB6, go through the collection, compare it to the name of the main form and close it if it is not the main form?

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Apr 27, 2011

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