Solving Windows Update Error 80072f78

I have encountered a persistent issue with Windows Update Error 80072f78 that needs immediate attention.

Overview and Solutions


Windows Update Error 80072f78 is a common issue that occurs when your computer is unable to connect to the Windows Update servers. This error can prevent you from downloading and installing important updates for your operating system, leaving your computer vulnerable to security risks and performance issues.


1. Check your internet connection: Ensure that you have a stable internet connection before attempting to update your Windows. If you’re using a Wi-Fi connection, try switching to a wired connection for a more reliable connection.

2. Restart your computer: Sometimes, a simple restart can fix the Windows Update Error 80072f78. Restart your computer and try the update process again.

3. Check your firewall settings: Your firewall settings may be blocking the connection to the Windows Update servers. Temporarily disable your firewall and try updating Windows again. If the error is resolved, make sure to re-enable your firewall and adjust the settings to allow Windows Update to access the internet.

4. Reset the Windows Update components: Open the Command Prompt as an administrator and run the following commands:

– net stop wuauserv
– net stop cryptSvc
– net stop bits
– net stop msiserver

Then, navigate to the following directory: C:\Windows\SoftwareDistribution and delete all the files and folders inside it. After that, run the following commands:

– net start wuauserv
– net start cryptSvc
– net start bits
– net start msiserver

5. Run the Windows Update Troubleshooter: Windows includes a built-in troubleshooter that can automatically detect and fix common Windows Update errors. Go to Settings > Update & Security > Troubleshoot > Windows Update and click on “Run the troubleshooter”.

6. Contact Microsoft Support: If none of the above solutions work, it may be necessary to contact Microsoft Support for further assistance. They can provide additional troubleshooting steps tailored to your specific situation.

Trigger Moments and Reasons

  • Trigger Moment: Windows Update fails to install updates.
  • Reason: Windows Update error 80072f78 is caused by network connectivity issues.
  • Trigger Moment: Error message “Windows could not search for new updates” appears.
  • Reason: The Windows Update service is unable to communicate with the update servers.
  • Trigger Moment: Internet connection is unstable or unreliable.
  • Reason: Inconsistent network connectivity can hinder the update process.
  • Trigger Moment: Firewall or antivirus software blocking Windows Update.
  • Reason: Security software might mistakenly identify Windows Update as a potential threat.
  • Trigger Moment: Proxy settings misconfigured.
  • Reason: Incorrect proxy settings can prevent Windows Update from connecting to the servers.

Classic Problems Explored

In the article titled “Solving Windows Update Error 80072f78”, we explore classic problems that users may encounter while updating their Windows operating system. Here, we provide direct and helpful instructions to resolve the specific error code 80072f78.

To begin, it is important to note that this article assumes you are using Windows 7. If you are using a different version of Windows, the steps may vary.

Step 1: Check your internet connection. Ensure that you are connected to a stable and reliable network.

Step 2: Verify that the date and time settings on your computer are correct. Incorrect date and time can cause errors during Windows updates.

Step 3: Reset the Windows Update components. To do this, follow these steps:
1. Open the Command Prompt as an administrator.
2. Type the following commands, pressing Enter after each one:
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
3. After stopping the services, type the following commands to rename the SoftwareDistribution and Catroot2 folders:
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 Catroot2.old
4. Finally, restart the services by typing the following commands:
net start wuauserv
net start cryptSvc
net start bits
net start msiserver

Step 4: Run the Windows Update troubleshooter. This built-in tool can automatically detect and fix common Windows Update issues. To access it, go to the Control Panel, search for “troubleshoot,” and select “Troubleshooting.” Then, click on “Fix problems with Windows Update.”

Step 5: If the error persists, consider performing a System Restore to revert your computer to a previous state where Windows Update was functioning correctly. This can help resolve any software conflicts or incorrect settings that may be causing the error.

Origin of Difficulties

Windows error message

Origin Description
Network Connectivity Issues Problems with internet connection, firewall settings, or proxy configurations can prevent Windows from connecting to the update servers.
Incorrect Date and Time Settings If the system date and time on your computer are incorrect, the secure connection with the update servers may fail, resulting in error 80072f78.
Malware or Antivirus Interference Malware infections or overzealous antivirus programs can interfere with Windows Update processes, causing error 80072f78.
Corrupted Windows Update Components Files or settings related to Windows Update may become corrupted, leading to error 80072f78 during the update process.
Server Overload or Maintenance At times, the Windows Update servers may experience high traffic or undergo maintenance, resulting in temporary errors like 80072f78.
Proxy Server Configuration Issues If a proxy server is incorrectly configured on the system, it can interfere with the communication between Windows and the update servers, causing error 80072f78.


How to fix Windows Update errors?

To fix Windows Update errors, you can use the Update Troubleshooter. Simply navigate to Start > Settings > Update & Security > Troubleshoot > Additional troubleshooters.

How do I fix Windows Update error 80072F8F?

To fix Windows Update error 80072F8F, you can try the following methods:
1. Use the Windows Update Troubleshooter.
2. Configure the time and date settings correctly.
3. Disable your firewall temporarily.
4. Disable any proxy settings that may be interfering with the update process.

How do I fix Windows error codes?

To fix Windows error codes, you can try the following steps:
1. Restart your PC.
2. Use the System File Checker (SFC) and CHKDSK system utilities.
3. Install the latest Windows 10 Updates on your PC.
4. Uninstall incompatible Windows 10 updates, apps, or drivers.
5. Perform a System Restore.

How do I fix Windows error code 80072f78?

To fix Windows error code 80072f78, you can try the following steps:

1. Install the appropriate device drivers for your computer, graphics adapter, and any add-in cards.
2. Temporarily disable any antivirus software you have installed.
3. Run the SFC /SCANNOW command to scan and repair any corrupted system files.
4. Use the System Update Readiness Tool to fix any issues with Windows updates.

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