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Question: How do I fix these Windows Vista Errors? Error 0XC004D401, Error 0x80080250, "An unauthorized change was made to your license." - What can I do to fix these?

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Below are some recent well known Microsoft Windows Vista issues that have been reported.

Message:
Windows Vista Error 0XC004D401: The security processor reported a system file mismatch error.

Message:
Windows Vista Error 0x80080250: Unrecognized error.

When using your computer on Windows Vista, you may also see the following message in random form:

An unauthorized change was made to your license.
To keep your system stable, you must go online and validate that your software is genuine:- Validate Online- Close Causes of the Error Messages

These error codes/messages are usually created when an antivirus/firewall program or a Rights Management (DRM) software installed onto your computer isn't compatible with Microsoft Windows Vista. Most of these errors are usually caused by the following which are listed below:

1.) Your Vista computer has encountered an hard drive error.
2.) An incompatible program could be installed on your computer running Windows Vista.

Some of the programs or software packages that are known to causes these are:

A.) All versions of Blumentals Software iNET Protector.
B.) All PC Tools Spyware Doctor versions released prior to version 4.0.
C.) All PC Tools Firewall Plus version released prior to version 3.0.0.52.
D.) All Trend Micro PC-cillin Internet Security versions released prior to version 14.56.
E.) All Trend Micro OfficeScan versions released prior to version 8.0.
F.) All TuneUp Utilities versions released before 2007.

What are some things I can do to try to resolve these errors then? Where do I start?

To troubleshoot the issues and resolve the Vista error messages, you need to perform the actions that are listed below:

Action #1: Uninstall any program that is incompatible with Windows Vista from your system. (If known)

A.) Restart your Vista computer.
B.) Press F8 quickly before Windows Vista starts loading to display the (Advanced Boot Options) screen
C.) Use the arrow keys and scroll down to select Safe mode. And not press the Enter button on your keyboard.
D.) After Windows Vista loads Safe mode, click the Start Menu, and then type appwiz.cpl in the Start Search box.
E.) In the Programs drop down list, choose appwiz.cpl.
F.) Scroll down the list to identify all the incompatible programs that are installed on your Vista computer.
G.) Select each program one by one and make sure they have been properly removed or un-installed.
H.) After your done, restart your computer back into normal mode.
I.) If the error still occurs, perform the tasks listed in Action 3.

Action #2: Validate your Windows Vista Operating System!

A.) Open up the following Microsoft Website inside your web browser. (Firefox/Internet Explorer) http://www.microsoft.com/genuine/

B.) Once the page has fully loaded, click on the Validate Windows button to validate your Windows Vista operating system.

Action #3: Perform a System Restore to Revert your [System Settings] to a Time Before the Vista Errors started showing up on your computer.

A.) Open your Windows Vista Start menu, select All Programs, select System Tools, and then choose System Restore.
B.) Use the System Restore Wizard to choose a restore point/date that was created before the errors started occurring on your Windows Vista computer.
C.) Revert your system configuration to this same restore point.

If you are still unable to resolve the problem, you may want to consult with Microsoft forums for a possible solution. You may also clean boot your Windows Vista computer to attempt to identify the conflicting program and then try to disable it and hopefully, resolving everything entirely!

If you are not able to completely remove a conflicting program from your computer as a whole, then you should use a third-party program uninstall software, such as the Perfect Uninstaller to make sure these problematic programs have been fully removed, making the errors come to a screeching halt!

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