How to Download and Fix XamlViewer_v0300.xbap Errors

Last Updated: 03/29/2020
[Reading Time Required: 3.5 minutes]

XamlViewer_v0300.xbap, also known as a XAML Browser Application file, was created by Nitro for the development of PrimoPDF XBAP files fall under under the XML (XAML Browser Application) file type category.

The first version of XamlViewer_v0300.xbap for Windows Vista was introduced on 11/08/2006 in Windows Vista. The most recent version [file version] was introduced on 07/27/2011 for PrimoPDF XamlViewer_v0300.xbap is bundled with the software package in Windows 10, Windows 7, and Windows Vista.

In this article, you will find detailed XamlViewer_v0300.xbap information, a XBAP file troubleshooting guide, and a list of versions that are available for free download.

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File Overview

General Information
File Name: XamlViewer_v0300.xbap
File Extension: XBAP file extension
File Type: Executable Application
Description: XAML Browser Application
MIME Type: application/xml
User Popularity Rating:
Developer and Software Information
Software Program: PrimoPDF
Developer: Nitro
Software: PrimoPDF
Software Version:
File Details
Assembly Assembly Identity Name: XamlViewer_v0300.xbap
Assembly Manifest Version: 1.0

What are XamlViewer_v0300.xbap Error Messages?

XamlViewer_v0300.xbap Runtime Errors

Runtime errors are PrimoPDF errors that occur during "runtime". Runtime is pretty self-explanatory; it means that these XBAP errors are triggered when XamlViewer_v0300.xbap is attempted to be loaded either when PrimoPDF is starting up, or in some cases already running. Runtime errors are the most common form of XBAP error you will encounter using PrimoPDF.

In most cases, XamlViewer_v0300.xbap runtime errors occurring while the program is running will result in the program terminating abnormally. Most of these XamlViewer_v0300.xbap error messages mean that PrimoPDF was either unable to locate this file on startup, or the file is corrupt, resulting in a prematurely-aborted startup process. Generally, PrimoPDF will be unable to start without resolving these errors.

Some of the most common XamlViewer_v0300.xbap errors include:

  • XamlViewer_v0300.xbap - Bad Image.
  • XamlViewer_v0300.xbap Application Error.
  • XamlViewer_v0300.xbap could not be found.
  • XamlViewer_v0300.xbap could not be installed.
  • XamlViewer_v0300.xbap could not be launched. Class not registered.
  • XamlViewer_v0300.xbap could not be started.
  • XamlViewer_v0300.xbap failed to initialize properly.
  • XamlViewer_v0300.xbap has encountered a problem and needs to close. We are sorry for the inconvenience.
  • XamlViewer_v0300.xbap is not a valid Win32 application.
  • XamlViewer_v0300.xbap is not running.
  • Cannot find XamlViewer_v0300.xbap.
  • Error starting program: XamlViewer_v0300.xbap.
  • Faulting Application Path: XamlViewer_v0300.xbap.
  • The file XamlViewer_v0300.xbap is missing or corrupt.
  • Windows failed to start - XamlViewer_v0300.xbap.
System Error

The program can’t start because XamlViewer_v0300.xbap is missing from your computer. Try reinstalling the program to fix this problem.

Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

Finding the source of the XamlViewer_v0300.xbap error is key to properly resolving these errors. Although most of these XBAP errors affecting XamlViewer_v0300.xbap will happen during startup, occasionally you will encounter a runtime error while using PrimoPDF This can occur due to poor programming on behalf of Nitro, conflicts with other software or 3rd-party plug-ins, or caused by damaged and outdated hardware. Also, these types of XamlViewer_v0300.xbap errors can occur if it has been accidentally moved, deleted, or corrupted by a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

How to Fix XamlViewer_v0300.xbap Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your XamlViewer_v0300.xbap issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the XamlViewer_v0300.xbap error, please proceed to the Step 2 below.

Step 2: If recently installed PrimoPDF (or related software), uninstall then try reinstalling PrimoPDF software.

You can uninstall PrimoPDF software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for PrimoPDF and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall PrimoPDF software.

If this Step 2 fails as well, please proceed to the Step 3 below.



Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many XamlViewer_v0300.xbap error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the XamlViewer_v0300.xbap error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

If Those Steps Fail: Download and Replace Your XamlViewer_v0300.xbap File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate XamlViewer_v0300.xbap file version. We maintain a comprehensive database of 100% malware-free XamlViewer_v0300.xbap files for every applicable version of PrimoPDF. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download XamlViewer_v0300.xbap Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate PrimoPDF folder location:
    Windows 10: C:\Windows\Microsoft.NET\Framework64\v3.0\WPF\XamlViewer\
    Windows 10: C:\Windows\WinSxS\amd64_wpf-xamlviewerdeploymentmanifest_31bf3856ad364e35_10.0.16299.15_none_8a59dfb33f811e2f\
    Windows 10: C:\Windows\Microsoft.NET\Framework\v3.0\WPF\XamlViewer\
    Windows 10: C:\Windows\WinSxS\x86_wpf-xamlviewerdeploymentmanifest_31bf3856ad364e35_10.0.16299.15_none_2e3b442f8723acf9\
    Windows 7: C:\Windows\Microsoft.NET\Framework\v3.0\WPF\XamlViewer\
    Show 3 more directories +
    Windows 7: C:\Windows\Microsoft.NET\Framework64\v3.0\WPF\XamlViewer\
    Windows Vista: C:\Windows\Microsoft.NET\Framework64\v3.0\WPF\XamlViewer\
    Windows Vista: C:\Windows\Microsoft.NET\Framework\v3.0\WPF\XamlViewer\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve XamlViewer_v0300.xbap problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

Download XamlViewer_v0300.xbap Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying XamlViewer_v0300.xbap to your appropriate Windows system directory. Nitro typically does not release PrimoPDF XBAP files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing XamlViewer_v0300.xbap and all other XBAP files for PrimoPDF. An incorrectly installed XBAP file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
Windows 7
Windows Vista

Files Related to XamlViewer_v0300.xbap

XBAP Files Related to XamlViewer_v0300.xbap

File Name Description Software Program (Version) File Size (bytes) File Location
XamlViewer_v0300.xbap XAML Browser Application PrimoPDF 5379 C:\Windows\Microsoft.NET\Framework64\v3.0\WPF\X...
XamlViewer_v0300.xbap XAML Browser Application PrimoPDF 5379 C:\Windows\Microsoft.NET\Framework\v3.0\WPF\Xam...

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GlobalMonospace.Compos... Windows Composite Font PrimoPDF 26040 C:\Windows\WinSxS\amd64_wpf-globalmonospacecf_3...
setupact.log Log Nitro Pro 14252 C:\Windows\System32\Sysprep\Panther\
setupact.log Log PrimoPDF 2549298 C:\Windows\Logs\DPX\
setupact.log Log PrimoPDF 10519 C:\Windows\System32\Sysprep\Panther\
PerfCounters.h C/C++/Objective-C Header PrimoPDF 844 C:\Windows\inf\Windows Workflow Foundation 3.0....


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