Are 'Program Files' Write Permissions Different Between Vista / 7 Or X86 / X64?
Apr 10, 2010
I have a user of one of my programs reporting that they get an "access to the path...is denied" error during this section of [code]He's using Windows 7 x64 with UAC turned on. The location of "FilePath" is a subdirectory inside Program Files (x86) in this case.I tried to reproduce the error on my Windows 7 x64 system by enabling UAC (I usually have it off) but the program worked fine. However, in my case, "FilePath" is not in a protected system folder like Program Files (where write permissions are not given to normal users without admin elevation).So I tried to recreate this situation on one of my Vista x86 Virtual PCs where the "FilePath" would be inside Program Files. However, my program again worked fine. It had no problems writing to the Program Files folder with a normal user account, UAC turned on and no elevated permissions required.
Thus, I am confused. Why does it work for me and not for him? I want to try an x64 virtual machine but I can't with the software I have (Virtual PC doesn't support x64 guest OSs, VirtualBox won't run the software that my program interacts with). So maybe you guys can help me instead. Are the write permissions for the Program Files (x86) folder different between x86 and x64, or maybe even Vista and 7?
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May 18, 2009
With Vista we are having a permission denied error when an application tries to change properties of a file in Program Data folder... before replacing with a newer version of the file.Changing of security permissions for a standard user is not an option. Is there a way we can grant the premissions for an application developed in VB .net to give permission only to change properties of this file.
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Aug 21, 2009
I have encountered a small problem with my application due to the updater I built in.Basically the way the updater works is:1) Check for updates2) Download the new .exe file as "tmpMyApp.exe"3) Download "Rename.exe"4) Launch "Rename.exe" and exit application.5) "Rename.exe" then deletes the old application and renames the tmp one with the origional name "MyApp.exe"6) Launches "MyApp.exe"This all works completely fine for me, except when the program is installed in "C:Program FilesTinyGrab" this causes my app
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Apr 7, 2009
I developed an assistance programme for an online game, and, in response to the users demands, I developed a secondary programme that downloads a zip file from a webpage hosted in a free Geocities server with the latest update for the programme and applies it. With the WinXP users it has worked perfectly, but with the Vista users, I've had a few cases where the update programme wasn't able to download the update, although everything worked fine with other uses.
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May 22, 2009
I have an app written on an xp pc which I want users to run on Vista
The app needs to delete a file on a portable drive in a particular folder
This folder was created on the xp machine and copied to the portable drive
The app will not delete a file in this folder on Vista but it will on xp
When I check folder security on vista (which does not exist on xp) I find that the folder does not have full control assigned
my app will write a file to that folder & delete it but will not delete a file put there from the xp pc
If I change the security in vista to full control it works
what I want to do is see if the folder has full control when the user selects it and advise them they need to alter security as I can not do it in the program
basically I want to advise them the moment they select the folder, not when it fails to delete the file after entering misc details in the app which are reuired before the file is deleted.
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Mar 8, 2009
I've encountered several scenarios when my application wants to delete an item, but is prevented from doing so by the operating system. So I've been wondering, is it possible to ask for elevated status after the application has launched? E.g. the application needs to delete a certain file, so it asks for confirmation and then deletes the file...
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Feb 29, 2012
Reading and writing *.amc files using vb.net 2005. how to read and write *.amc files in vb.net 2005.
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Apr 10, 2012
I have developed an application in VS 2008 that generates crystal report.When I export the report to pdf,the application gets hang.The problem occurs since I can not create temp files in the temp folder i.e. %tmp%.The security level of windows 7 is high and it does not permits the application to create file.Can I alter the permissions in windows 7 using vb.net ?
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Jul 13, 2011
I normally install my application in a directory in the c: drive as the software is only used within the company.There is some simple security; the program writes a 'bat' file that gets the volume serial number this then this is used to generate a licence file. Both of these files are written in the application directory.I'm giving the program to an external client and am going to install the program in the program files directory - but I find I cannot write a file to the Windows 7 program files directory.
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May 8, 2010
i want to write a program and set it as default to open .txt files so when i double click on a text file that it opens in that program and displays the text into a RichTextBox
my question is how do i display the text in the RichTextBox after opening the program through a double click on a text file?
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May 22, 2011
I am trying to write a simple application that monitors the COM port and writes the incoming binary data to a file. So, I gathered a File class is provided, but looking at its methods list in the Help page, I see no method for writing individual bytes (and the Write methods seem to close the file after writing).
How can I write a byte array into a file, keep it open and repeat this as necessary?
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Jan 21, 2010
I am trying to write a program that deletes temp files from my entire c drive. windows 7 will not allow any file manipulation. access denied . everything works fine in windows xp. what needs to be changed in my code to allow anyone to install this program on their computer and run it without errors like this. I need to change my code to correct this not windows 7, as other people will be installing this on their systems and they can't be setting their c drives. every answer i've found online is either to change c drive to have no security or set the code to demand uac to run as administrator(which doesn't work )
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Dec 20, 2011
I have a link on a VB.net aspx page that needs to open a folder in a subdirectory of a web site and provide read and write permissions so that files can be copied into and read from as well as deleted. ONLY from this folder.I have this funtionality working on a dev and demo PC but they are both on my domain. Clicking the link opens Windows Explorer and I can copy /cut & Paste, etc.The public/production PC is on the LAN, but not part of the domain. I know there are ways to allow folder read/write permissions on a public server like this but I am not too sure on the safest way to do this. The upside, the only users that need to have read/write/delete access are employees. Forms Authentication, ASP Membership directs non-employees to other pages within the site. Likewise, the membership directs employees to an admin section of the site.
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Feb 5, 2010
I am deploying my application on a 64 bit windows 7 system (setting the platform property to x86) , after the installation process the app needs to set its connection string in the config file; and this is where I am having issues, the app is not able to write to the config file if/when its located under the program files directory (no admin privileges??), the app works fine when installed on a public folder.Please let me know how to give admin or write access to my app when its installed to the default program files directory
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Jan 2, 2009
here is the poblem after installing the program only users can only use the program if they are logged as admin can use the progam. like writing to the database. i either need to find out how to change the users
to have write access during install or great a dll and add it to the install and as the program starts it checks the file and folder access of the users. if the access does not have write enabled then it runs the dll to fix it. not having any code posted i really do not have any idea how to do this. oh yes the short verision is if the program is install as an administritor only a user that have administritor access can write to the database.
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Feb 25, 2009
Write to Vista Registry
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Jul 11, 2010
allowed to write in C:path (Vista system)
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Jul 6, 2010
I'm am developing a program for my computer and as I am using Windows 7 i have to execute it as admin every time I open my program. My IT teacher said I could set my program's permissions to 1, doing this the program would have admin privileges. But the thing is I don't know how to do it.
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May 30, 2009
i compile my form with the below code when i run it on vista work fine without any problem but when i try to run in on XP cant run... that happened with any XP machine.[code]when i run my exe to other Vista machines work fine... but on xp NO.
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Apr 28, 2012
I am trying to write an app to automate several things that I have to do on a new computer once I have deployed an image, hoping someone could give me some pointers for them:-
1) changing computer description - wmi perhaps?
2) changing computer name - again wmi perhaps?
3) changing permissions on an existing registry key to full control
4) changing the "time to display list of operating systems" when booting from 30 secs to 3
5) turn off simple file sharing
6) and setting current user account so that password doesn't expire - at moment I do it from cmd prompt and do "wmic useraccount where "name='name'" set passwordexpires = false
7) change power plan settings so put the computer to sleep is "never" on both battery and mains
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Jul 28, 2010
How can i make a click once program ask for administrative permissions. I have an app that downloads a file into the program files on the "c" drive but it only works when i run it as an administrator. I have Visual Basic 2010 Express.
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Mar 19, 2009
I am writting an application that stores data in an Access database. I can't put the files in the Program Files directory since standard users can't write to that folder. I can't use a 'user' folder since multiple users will need to access the same file. In addition to accessing the file, users on occassion will copy new versions of the file into the folder, overwritting the old file.Where should I put this file? I am thinking the ProgramData folder, but when I create that folder during the install, it is also read-only for a standard user.I'm lost as to where I should put a file that can be accessed by multiple users, that is read/write, and I can install the folder into the location. I don't think I have a programmatic way of installing a file into the Public users folder.
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Jan 27, 2012
Ok I have a application that works great on XP, but in windows 7 it will not let me write to my login file, says access is denied since I am not running as admin. Log file is located in "C:Program FilesCompany NameProductMyLog.LOG"
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Sep 9, 2009
I'm having some problems with people saving text files using my program, but only people using Vista. Since I don't use Vista myself, I'm not sure what this is but it's not a problem on any machine running XP.
Note that my file saves just using the standard Savedialog box and Filestream/Writeline commands.
From what my customers are telling me, the save dialog comes up fine and there is no error as the file appears to save, but when they look for the completed text file, there's nothing there.
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May 13, 2009
ok, so i've built an application that iterates through some folders that i specified and adds any image files to a datagridview Image Columnhowever, .ico files pose an issue: ones that were specifically designed for WinVista Throw an Exception:"Paramater Not Specified"
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Dec 14, 2009
I am trying to create a program which will read the files that exist in a directory, and then write in a text file the specific information (full file name, date created)i have found several code in the site but i cant make it work, the machine i am running the code is XP and i am using VB2008.The code i have found is the following:
Imports System.IO
Imports System.String
[code].....
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Jan 16, 2010
I have good working application on XP, but once I installed it on Win 7 i gor prroblems moving file from one directory to anopther.
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Jun 23, 2010
We have code in our former VB6 application, that ported fine to VB.NET, that plays a simple AVI file of the typical "flying folders" and "spinning maginfying glass" AVI. Under Windows XP, our application ran fine and everything was good.
Then we had customers start using Vista and Win7 and this stuff crashes. We were using the MS Common Controls (SP4) and then (SP6) - utilizing the Animation player. Now - these dont work and we get nasty errors.
I searched Microsoft and the web to answer the "what now?" question and though there are numerous suggestions, none of them work. We cant use Media Player because we dont want any menu - just the graphic. We dont know why, with the cool tools given in .NET, there is no animation player (seems a huge oversight...) But we need to get "unstuck" on this one, and we need that fast...
So, How does on play a simple AVI file using VB.NET code? What DLL or OCX does Microsoft recommend and is there a place we can find some sample code for it?
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Jun 25, 2009
We have an application written with VB .Net (framework 2) that needs to run both XP and Vista machines. The XP machines have office 2003 while the Vista machines have office 2007.The application needs to generate reports as excel files. But when the files are created with xls extension the office 2007 in vista doesn't like the extnesion and gives a message before opening file about the file format.Is there a way to ensure through code that the correct file extension supported by the office version on the machine is used.v
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May 28, 2009
Problem 1: I am running into a problem with my program that when UAC is active on Vistaaccess to C: and Program Files is not allowed. My program writes text files as a user types. Is there a safe place to write files to that may be some sort of standard instead of throwing files all over the place? Like maybe somewhere in the user's default folder's or something?
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