Debugging Crashes Vshost.exe On Oledbconnection.open, Works Fine Without Vshost
Nov 8, 2011
I am running a simple test app that opens an OLEDB connection, retrieves a single value, then closes. The compiled (console) app works fine, but running it from the IDE causes either a silent close (if it's a winforms app) or a crash of vshost32.exe if it's a console app.
The devenv is VB 2010 Express on Windows x64, but I have the configuration manager on the solution set to "Debug" - "x86".
Imports System.Data.OleDb
Module Module1
Sub Main()
Dim server As String = "xxxxx"
[Code]....
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Apr 7, 2009
The application is like a client for a game site. I made it for the fan site i am apart of to help the members of our community.The application crashes when you click play on the game at the site. The game site uses Java all games are made in Java so i am guessing its a conflict with the Java, if you can help me it would be great i will attach a copy of the application for you to look at if you need.The password for the application is "cr2pafut" user name is anything you want it to be.url...
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Feb 13, 2010
vshost.exe crashes when I type something in a TextBox with AutoComplete enabled. It doesn't give an exeption in visual studio.
This is my script:
Imports System.IO
Public Class Form1
Dim AutoComp As New AutoCompleteStringCollection
[Code]....
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Sep 19, 2011
I am unable to debug any projects as of a Windows Update 2 days ago. It not only caused problems with VS 2008 but also SQL Server 2008. I did a system restore and my SQL Server is back to normal, but VS 2008 will not debug any projects. I get a vshost.exe has stopped working and then a file exception error. I am copying the file exception msg:System.IO.FileNotFoundException was unhandled
Message="Could not load file or assembly 'sortkey.nlp' or one of its dependencies. The system cannot find the file specified."
[Code]...
I have tried repairing VS 2008 and also a SFC scanow from the cmd prompt. I have also tried unchecking the vshosting property. Nothing works
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Aug 12, 2011
Problem: The excutable of the vb program crashes when trying to run but when I step through the program inside of visual studio it runs successfully.
Details: The program performs a winscp.com transfer from a ftp server and then takes the downloaded file and extracts the data from it before sending it to a webpage. The program also decrypts a des3 encrypted file which holds the login details for the sftp server and the webpage.
My Thoughts: I was thinking this could be something to do with the excutable jumping ahead of the slower transfer and decrypt functions thus causing a "file not found" exception to be produced and the program to exit. Lending to this if I slowly (aka spend 10+ seconds stepping through the code) move through the code it works just fine.
As requested Crash Messages:(I capture everything in exceptions and exit properly so no "crash" is reported but the error I get in my logs is as follows:)
1st run with standard test case:Could not find file 'C:UsersAdministratorDesktop..ILC2INFOENC.txt'
2nd run standard case (the file above was not deleted by my cleanup function either as it could not be found)Could not find file 'C:UsersAdministratorDesktop..ILCNETSL10663.csv'
Background:The first file that is found missing is the encrypted login information file while the second file is the winscp.com downloaded csv file.
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Mar 16, 2009
my projects in vs 05 & 08 are not running ? yyyyy? message is appearing tht vshost .exe file is missing while package loading something id is missing?
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Mar 6, 2009
the code working is fine. the crystal report 9 when I use vb.net 2003. but the crystal report 11 when I use vb.net 2008. the same code is not working. the message say: vshost is stop working. can you tell me how to make is working?
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Jul 5, 2011
Something I have done is making vshost eat all my computer's cycles. Anyone know a procedure for determining where the hangup originates?
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Mar 20, 2008
I have developed a program that allows drag and drop pictures using the followng [code] this will display the image in the pictruebox and saves the location of the image to a database. at this time i can rename the image in windows using the file.rename() function.now if i exit and come back into the section of the program with the image.i query the database for the image location and use the same type of code aka ploc [code]Now when i try to do a rename of the file i get an error that says access denied. I have even tried changing images, but as long as i am in the program i get access denied.I also can not change or delete these file from windows as long as my application is runningfile.rename() Is there a way to force my program to stop using this picture so i cand rename or delte it?
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Nov 8, 2010
Last week my nearly seven year old computer CROAKED. My data is fine, but the machine just quit.I have a new 64-bit Windows 7 computer as I was forced away from my old friend XP and left no real option. I'm not sure that that's related to this problem or not, but I suspect that it is.
I re-installed Visual Studio 2008 and set about to make sure things worked or figure out what didn't and try to get them resolved. I'm up against a very basic issue here that I have no idea about though (please keep in mind that I'm so new to this whole Win 7 thing that I'm not sure if it's a security issue or what, and if it is, I haven't a clue how to do anything with it).
I set up a very basic little test program, added an Access database (one table) using the connection wizard. I've done that thousands of times on my old machine and never had the first problem with it.
I added it to the form in a DataGridView and go to run it and Win 7 pops up several things about "vshost had a problem". It shows no data in the grid even though I know there's data in the table.
Here's a curious part: I thought that I'd get it to tell me how many rows it's "seeing" after the table adapter fills it, so in the form's load event just after the fill, I declare a integer to tell me the row count. I put a break point there and it never GETS to that second line!
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May 31, 2010
This code seems to be accurate when comparing to the many examples that are similar on different forums and I would think it should work:
Dim pC As New Process
pC.StartInfo.CreateNoWindow = True
pC.StartInfo.RedirectStandardOutput = True[code]....
When I remove the pC.BeginOutputReadLine() command, the application continues to function, but nothing is added to lbOutput.
With the pC.BeginOutputReadLine() command, it gives the error "vshost.exe has stopped working"
Either way, my batch file does what its supposed to do. Any one have any ideas what I am doing wrong with the process?
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Apr 25, 2012
I have a program that runs fine in the debugger. I started on the project in x86 mode this January and I've always been able to run it outside of the debugger, but this is the first time I've seen this error.The error says "ConfigurationErrorException was unhandled: Configuration system failed to initialize."The InnerException of the error said that the error was in the user.config file, and it gave me the directory of the user.config file that it was using. So I clicked synchronize in the project settings thinking that it would overwrite the current user.config file and that would probably fix the error. When it showed the confirmation dialog that it would delete the user.config file, I noticed that it had "vshost" in the directory.
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Jun 18, 2010
I'm using this code for encoding with wme.
No erros but if I rn the app vshost.exe stops working.
Its somethignw ith the DEP?
Imports WMEncoderLib
Public Class Form1
Dim WithEvents MyEncoder As WMEncoder
Dim MyProColl As IWMEncProfileCollection
[code]...
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Feb 2, 2011
Got Visual Studio 2010 Express Edition and have been building an app on Windows 7 64bit, then bought that app into work to continue work on Windows XP 32bit.When I load it, it will run first time happily but when I try and run it again it either says The Operation could not be completed or just freezes, crashes or does not responding, yes if I build the app to an exe file it works fine everytime?Due to the fact of odd errors etc I am really baffled and frustrated why it's so random?
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Aug 5, 2010
I used autocomplete sub in one combobox keyup.It works fine in windows xp but got an error in windows 7. The error said:invalidargument=value of '-17310416' is not valid for 'length'.Parameter name:length.(-17310416 will change based on selection of combobox)
----
Public Sub AutoComplete(ByVal cbo As ComboBox, ByVal e As System.Windows.Forms.KeyEventArgs)
Dim iIndex As Integer
Dim sActual As String[code]................
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Mar 7, 2011
I have a small project I'm working on and from time to time I show it to my friend. He and I both have Visual Basic 2010 Express installed.
[Code]...
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May 20, 2010
I am trying to export data from a datagridview which works fine, but it crashes when pat_eid value is empty, as pat_eid has been set a primary key and cant accept null values in the database level.
So, I want to enter a message box if column(0) which is the pat_eid has an empty field. Please could you advise me how to do that.
[Code]...
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Dec 8, 2009
I'm creating a db tool for automatic database repairs i have the following sql statement:
[code]...
Where the 'BrokenDbFile' is the location of the db where data has to come from and the 'sqlString' = the access statement.it gives a error when i put it in a try the exception is of type OleDbExceprion and de message text is "De instructie INSERT bevat een syntaxisfout" in Dutch Where it says that the syntax of the INSERT INTO is not correct. but when i paste the string from my inteli snce into access it works fine.
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Jun 23, 2010
I have VB.Net application that has worked fine for years on XP and Windows 7. For some reason the last update I put out does not run even the simplest VB commands.Simple Environ() fails.I have tried putting simple VB commands onto a MsgBox on the start of the app and everything raises an error. I have no idea what is going on! The exact same app runs fine on Windows 7 clients. All the XP machines including a fresh XP virtual machine with the .Net 3.5 framework even gives the errors. No VB commands are working. I thought maybe something happened to my vbproj files, so I copied an older one from a couple weeks ago when things worked fine and it still does not work.
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Jul 21, 2011
I receive this error: [code]whenever I run a query via a visual studio project in vb.net. If I run the same query via Open Office Base, it takes a long time but it works. How do I go about troubleshooting whats causing this?
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Mar 15, 2012
The code works fine when I run it locally, yet as soon as I have uploaded to our dev server it doesnt run, but also doesnt error.I did some research and found that I should have the thread impersonate the WindowsIdentity, which I have done but still the thread does not work, I also tried increasing the max threads in IIS and still nothing.Im running IIS 7.5 on Windows 2008 R2.The method being executed on a new thread is in a class in the App_Code folder and looks like:
Public Class RosterEmailer
Inherits System.Web.UI.Page
Dim thisID As String
Dim thisName As String
[code]....
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Oct 28, 2011
I have been scouring for examples to give me some idea on what I need to do to create a skinable scrollbar. The only thing close that seems to work like I need is Cool Scrollbar The problem I am running into is on the designer...when I move it, resize it, or change the direction of the control (ScrollbarLayout), it seems to want to re-name the class the item is an object of from CBar to cbar.CBar. Once I position and align it properly to check, I can go through the Form1.Designer and simply remove the cbar. and get no errors. When I run the program, it is fine, so this is telling me that there is something wrong with the movement in the class...
[Code]....
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Jul 20, 2012
I tried to use bmp.save to create some thumbnail, it works fine for a while then stops working,how to troubleshoot the problem? the code doesn't generate any error:
Dim bmp As Bitmap = WebsiteThumbnailImageGenerator.GetWebSiteThumbnail(address, 800, 600, width, height) Dim ScreenshotPath As String = Request.PhysicalApplicationPath + "Screenshots" Dim ScreenshotName As String = UserAccountDB.GetUserFullNameByUserLogon(User.Identity.Name).Replace(" ", "_") + Now.ToString("yyyy'-'MM'-'dd'-'HH'-'mm'-'ss") + ".bmp" bmp.Save(ScreenshotName) imgWebsiteThumbnailImage.ImageUrl = "~/Screenshots/" + ScreenshotName
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May 3, 2011
I have created a query method for my tableAdapter in the dataset designer. I typed the command text manually, but tested it in the query builder after I got a Constraint Exception when debugging. When running in the query builder via 'Execute Query' I get exactly the results I expect. When running the application I get this exception: "Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints." I tried temporarily setting my dataset's EnforceConstraints property to FALSE but still get the same exception. I can't understand why the Query Builder would return the correct datatable but running the app would not. Is this a bug?
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Jun 6, 2012
Here's the code that I have:
TextBox3.Text = ""
WebBrowser1.Document.ExecCommand("Copy", False, vbNull)
TextBox3.Paste()
TextBox1.Text += TextBox3.Text & vbCrLf & vbCrLf 'This code just adds the pasted text from one textbox to another.
Question:
After I install and run the application on my main computer that I coded this app in work, but when I go to transfer/install it onto my laptop, the code will NOT copy and paste from my webbrowser to my textbox?
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Jul 2, 2010
I seem to have a problem with an application i made. I hope you can help me with this as it has puzzled me for awhile now.
[Code]...
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Nov 22, 2010
The following works:
string connectionString = "Provider=Microsoft.Jet.OleDb.4.0;Data Source=" + str_excelFileOnLocalMachineInReports + ";";
connectionString += "Extended Properties=Excel 8.0;";
OleDbCommand myCommand = new OleDbCommand("Select * from [pFACTData$];");
[Code]..
But as soon as I change any of the numbers to doubles (e.g. 23.32457) I get a crash (it doesnt crash on the insert, it crashes on the next one:)The INSERT INTO statement contains the following unknown field name: '23#2345'. Make sure you have typed the name correctly, and try the operation again.
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Jun 1, 2011
We have a WCF service hosted in IIS that currently calls a VB6 DLL to do part of its job. This works fine, but we can't deploy the service to a 64-bit target environment without configuring IIS to run it in a 32-bit worker process.I am currently investigating ways around that restriction. Porting the VB6 DLL to .NET is not possible for various reasons, so I created an ActiveX EXE wrapper around the DLL in VB6, so that the service can run in 64-bit and the VB6 parts in 32-bit.
When I tested the service I got this error:
Type: System.UnauthorizedAccessException
Message: Retrieving the COM class factory for component with CLSID {9AE7303B-D159-43F6-B1A5-52D297581820} failed due to the following error: 80070005.
After some Googling I found that this is due to either:
Calling an MS Office component
DCOM permissions not being configured
NTFS file permissions not allowing read/exec access to the IIS worker process identity (ASPNET in my environment)
Of these:
Definitely not applicable Also not applicable; I am not hosting the EXE in DCOM or COM+, just a simple COM out-of-process activation
This looks likely; however, I checked the permissions, and NTFS reports that the Users group (which ASPNET is a member of) does indeed have read/exec access to the file I tried calling the EXE from a unit test fixture, which is executed in my admin-level account rather than the IIS worker process account, and it worked fine, so the error is definitely something to do with permissions. I'm not sure what to do next.
UPDATE:The IIS virtual directory is configured for Anonymous+Windows access; the WCF service uses only Anonymous authentication, the Windows authentication is for the VS debugger. Task Manager reports that the aspnet_wp.exe process is definitely running in the ASPNET account.I explicitly granted Read and Execute access to the ASPNET and IUSR_<machine> accounts on all the COM exes and dlls involved. This made no difference.
I explicitly granted Local Launch and Local Activation access to the ASPNET and IUSR_<machine> accounts on the relevant interfaces in the DCOM configuration. This made no difference either.Keep trying to get this working somehow.Go the whole hog and host the EXE in COM+.Give up. Tell users that the WCF service must be configured to run in a 32-bit app pool on 64-bit Windows.
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Jul 21, 2011
I have mpd server working in Linux machine. Code works fine until there are spaces in directory name.
How can I handle spaces?
CODE:
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Jun 30, 2010
[code]The two Location lines throw errors but the Text line works fine. I've played around with this until I'm blue in the face but can't get it to compile.
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