I'm retrieving Windows XP license key with this function but it does not work for Vista and Seven. How can I get the license key at both of these Windows versions?
Public Function sGetXPKey() As String
Dim result As String = String.Empty
Dim RegKey As RegistryKey = _
[code].....
I have a class which reads the serial of the users HDD, basically so I can generate a unique license for that user based on HDD serial and other things.
This works fine in XP where UAC isn't an issue. However, when run on Vista it pops up security warnings and won't continue unless you turn UAC off!
Is there a "safe" way of reading this information without Vista throwing its lunch up?
I have created an application using VB 2008 Express on an XP machine. I created a deployment package and installed it on other XP machines with no problems. I tried it on a Vista machine and all seemed well until performing a serial port function. It simply halts/locks up. I have to close it in task mangler. I thought I would circumvent the problem by building and publishing it on the Vista machine. While running the program from VB express the program functions perfectly on that Vista machine, but when I publish and install it on same it still crashes at the serial portion of the program.
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View 5 Repliesnothing
View 2 Repliesi have created some shareware applications. I implemented the following mechanism for piracy protection. Before Windows Vista and Windows 7 i did write a dll file to the System32 folder with an encrypted license key. Also in the Registry under HKEY_LOCAL_MACHINE i inserted a registry key.
The problem is that with Windows Vista and Windows 7 due to the User Account Control (UAC) this is denied.
I want to ask : what other mechanism can be implemented ? Where should i store the encrypted key file and the registry key.
I want that the application can be installed for all users of a computer only once.
If i stored the key in the user's application data directory then another user could easily just install it under another user account. Also i do not want to put the key file in the application directory because that would be too obvious.
note that i create the registry key with my application and not with the installer.
I'm printing pdf files via the below code in a service. In Windows 7 this works really well, In Windows Vista, nothing happens at all? What am I doing wrong?
[Code]...
I develop applications in Visual Basic.NET (Visual Studio 2005) for a long time on Windows Vista without problem.
Now, I'm changing my laptop, and the new has installed the Windows 7. So, I reinstalled VS 2005, taking care to install the Vista compatibility. Thus, the version of my current VS 2005 is 8.0.50727.867 (vsvista.050727-8600) SP2. And that is my problem.
When I ran the application in debug mode (F5) on Windows Vista, a windows appeared whenever there was an error, like below:
Now, on Windows 7, the application just shows a exception message in the Immediate Windows, don't showing any error window, continuing the application execution, as below:
I develop applications in Visual Basic.NET (Visual Studio 2005) for a long time on Windows Vista without problem.Now, I'm changing my laptop, and the new has installed the Windows 7. So, I reinstalled VS 2005, taking care to install the Vista compatibility. Thus, the version of my current VS 2005 is 8.0.50727.867 (vsvista.050727-8600) SP2. And that is my problem.When I ran the application in debug mode (F5) on Windows Vista, a windows appeared whenever there was an error, like below: Now, on Windows 7, the application just shows a exception message in the Immediate Windows, don't showing any error window, continuing the application execution, as below [code]
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View 1 Repliesi 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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the problem stems from trying to change a service in the registry under HKEY_LOCAL_MACHINESystemCurrentControlSetServicesDiagnostic Service Host
Start = 4 instead of 3 (which is what it is currently set to)
when the program tries to change it I get a dialog box with the information below. How can I makes the changes to the registry without getting these kinds of errors. I tried to get the Framework configuration tool but it talks about XP and Windows 2000 for VB.Net 2005 so I am not sure what to do... I should mention I have only been programming for a month...
Error details:
"Application attempted to perform an operation not allowed by the security policy. To grant this application the reuired permission contact your system administrator or use the Microsoft .NET Framework configuration tool. [code]...
I created an app that connects to an SqlCe database. it runs fine on my computer (xp) but when i try to run it on other computers, it crashes (on xp machine, the error is : OS error: the OS storage system is not responding, on windows 7 the error is: Access to the database file is not allowed).
On windows 7, if i right click the exe and run as administrator, it runs fine. But, i can't expect my users to do this every time they want to run my app.
Windows 7 ribbon for XP and Vista?
View 1 RepliesI have an app (developed using VB 2008 and MS Access 03)
It runs fine under Windows XP, Windows 2003 and Windows Vista 32 bits....Butit crash under Windows Vista 64 bits.
The app not register any error and exception (internally). [code]...
I have a program that will process the files and produce the result in output file.When i publish and install the software in xp windows it run but in windows vista it read the file everything when i look for output file. The file is not created in vista. But other program which similar with previous one can run in windows vista expect one program. This is how i write the coding to create the file.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim OpenFileDialog1 As New OpenFileDialog
With OpenFileDialog1
[code]....
I dont know why it can not create a file in vista?
I have my program in windows xp when I deploy it using click-once, I can install it in windows 98/200/xp.However, when I am running in vista and use the click-once deployment, I can't install in windows xp.
View 1 RepliesI made a bluring tool of some sort and you basicly drag an area of yuor picture and it blurs that certain selected elipsis.. the problem is THis only works on Winsows 7 Im trying to understand the diffrence but I can't. The PC uses the same graphic card same hardware just a diffrent OS but it wont do that Code. Anyways here is how I blur
Private m_ActiveControl As Point
Private m_CurrentPoint As Point
Private ileft As Integer
[code].....
I have developed a windows stand alone application which is working fine in windows xp and
View 2 RepliesI get the following error when I run my vb2010 progrm on windows 7 machine:Class not registered (Exception from HRESULT: 0x80040154. It ran fine on vista. there is no option on the compile to target x86. It is related to an active x flex grid
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[Code]...
How can I get the master volume level in Visual Basic? Must work on Vista and 7
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I was beta testing 7 until recently, so I don't want to waste time re-installing it for no reason.