What are PowerShellCore.format.ps1xml Error Messages?

General PowerShellCore.format.ps1xml Runtime Errors

PowerShellCore.format.ps1xml file errors often occur during the startup phase of Windows, but can also occur while the program is running. These types PS1XML errors are also known as “runtime errors” because they occur while Windows is running. Here are some of the most common PowerShellCore.format.ps1xml runtime errors:

• PowerShellCore.format.ps1xml could not be found.
• PowerShellCore.format.ps1xml error.
• PowerShellCore.format.ps1xml failed to load.
• Error loading PowerShellCore.format.ps1xml.
• Failed to register PowerShellCore.format.ps1xml / Cannot register PowerShellCore.format.ps1xml.
• Runtime Error - PowerShellCore.format.ps1xml.
• The file PowerShellCore.format.ps1xml is missing or corrupt.

Most PS1XML errors are due to missing or corrupt files. Your PowerShellCore.format.ps1xml file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows), or deleted by a malware infection. Furthermore, PowerShellCore.format.ps1xml file corruption could be caused from a power outage when loading Windows, system crash while loading or saving PowerShellCore.format.ps1xml, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.

How to Fix PowerShellCore.format.ps1xml 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 PowerShellCore.format.ps1xml issue. These troubleshooting steps are listed in the recommended order of execution.

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 PowerShellCore.format.ps1xml error, please proceed to the Step 2 below.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many PowerShellCore.format.ps1xml 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 PowerShellCore.format.ps1xml 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 PowerShellCore.format.ps1xml 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 PowerShellCore.format.ps1xml file version. We maintain a comprehensive database of 100% malware-free PowerShellCore.format.ps1xml files for every applicable version of Windows. 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 PowerShellCore.format.ps1xml Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy the file into the appropriate directory for your Windows version:


Windows 7: C:\Windows\System32\WindowsPowerShell\v1.0\
Windows 7: C:\Windows\SysWOW64\WindowsPowerShell\v1.0\
Windows 8: C:\Windows\System32\WindowsPowerShell\v1.0\
Windows 8.1: C:\Windows\System32\WindowsPowerShell\v1.0\
Windows 10: C:\Windows\System32\WindowsPowerShell\v1.0\

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.

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