⚠️ 3 verified solutions available for Error 1650 — Last updated 2026-03-26
Error 1650 📋

Fix ERROR_INVALID_PATCH_XML — Windows Error Code 1650

Error 1650 (ERROR_INVALID_PATCH_XML) is a Windows Security & Privileges error that occurs when the xml update data is invalid.. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 1650 📛 ERROR_INVALID_PATCH_XML 📅 Updated: 2026-03-26 ⏱️ 3 Solutions
⚡ Quick Fix

Reset Windows Update Components: Open Command Prompt as Administrator

👇 See all 3 solutions below
🐞 Auto-Fix Script for Error 1650
⚠️ How to use: Open PowerShell as Administrator, paste the code above, and press Enter.
✓ Safe & Transparent ✓ No Downloads Required ✓ Review Before Running
📑 Table of Contents
What is Error 1650? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 1650?

Windows System Error Code 1650, known as ERROR_INVALID_PATCH_XML, is a Security & Privileges error that occurs during security, authentication, and user privileges. The error indicates that: The XML update data is invalid. When this error is encountered, the Windows operating system was unable to complete the requested operation within the security services subsystem. The error code 1650 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name ERROR_INVALID_PATCH_XML maps directly to this numeric code and is commonly referenced in Microsoft documentation, developer forums, and system logs. Understanding this error and its context within security, authentication, and user privileges is essential for effective troubleshooting.

⚠️ Common Causes

  • Windows Update cache is corrupted (SoftwareDistribution folder)
  • Required update services (BITS, Cryptographic) are stopped
  • Insufficient disk space for the update to install
  • Third-party antivirus is interfering with the update process
📚 Comprehensive Guide

Deciphering User Profile Service Failures and Temp Profile Fixes

An encyclopedia on fixing 'The User Profile Service failed the logon' and the infamous temporary profile desktop reset bug.

Read the full guide →

✅ Step-by-Step Solutions

1 Reset Windows Update Components
  1. Open Command Prompt as Administrator
  2. Run these commands in order:
  3. net stop wuauserv
  4. net stop cryptSvc
  5. net stop bits
  6. ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
  7. ren C:\Windows\System32\catroot2 catroot2.old
  8. net start wuauserv
  9. net start cryptSvc
  10. net start bits
  11. Retry Windows Update
Advertisement
[AdSense In-Article Ad Generator]
Show Advanced Solutions (2 more)
2 Use Windows Update Troubleshooter
  1. Open Settings → Update & Security → Troubleshoot
  2. Click 'Additional troubleshooters' → 'Windows Update' → Run
  3. Follow the prompts and apply all suggested fixes
  4. Restart your computer and check for updates again
3 Manually Install the Failed Update
  1. Note the KB number of the failed update from Windows Update history
  2. Visit https://catalog.update.microsoft.com
  3. Search for the KB number and download the correct version (x64/x86)
  4. Double-click the downloaded .msu file to install manually
  5. Restart your computer

🎬 Video Tutorials

▶️ Watch Video Tutorials
How to fix Error 1650 (Invalid Patch Xml)
Open on YouTube →

💻 Diagnostic Command

Run this PowerShell command to find related events in your system log:

Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*1650*" -or $_.Message -like "*ERROR_INVALID_PATCH_XML*"} | Format-List

💡 Open PowerShell as Administrator, paste the command above, and press Enter.

🛡️ Prevention Tips

  • Keep at least 20GB free on your system drive for Windows Updates
  • Install updates promptly — don't let them accumulate for months
  • If updates consistently fail, consider a Windows in-place repair upgrade
Was this helpful?
Last updated: 2026-03-26
📖
Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-26.
🔧 Diagnose Your Error