How to Fix Windows Update Error 0x800706be in Windows 11 and 10

Quick Answer

Windows Update error 0x800706be is commonly caused by a failed Windows Update service, a broken update cache, or a Remote Procedure Call communication problem. The fastest safe fix is to restart the update-related services, clear the Windows Update cache, then run DISM and SFC to repair system files.

Try this first: restart your PC, disconnect VPN or proxy tools, open Command Prompt as administrator, and run the reset commands shown below. In many cases, this fixes error 0x800706be without reinstalling Windows.

Problem

You may see Windows Update error 0x800706be when checking for updates, downloading a cumulative update, or installing a feature update in Windows 11 or Windows 10.

The message may appear as:

• There were some problems installing updates, but we’ll try again later. 0x800706be
• Windows Update failed to install. Error code: 0x800706be
• The remote procedure call failed

This error does not always mean the update itself is bad. It often means Windows could not communicate properly with one of the services required to download, stage, or install the update.

Cause

Error code 0x800706be is associated with RPC-related failures and update service interruptions. In plain terms, Windows Update asked a system component to do something, but the component failed to respond correctly.

Prerequisites

• Sign in with an administrator account.
• Connect to a stable internet connection.
• Temporarily pause third-party VPN, proxy, or firewall tools while testing.
• Back up important files if the PC has other stability issues.
• Keep your laptop plugged in before installing updates.

Step-by-step Solution

1. Restart Windows and run Windows Update again

A pending restart can keep update services locked. Restart the PC first, then go to Settings > Windows Update and click Check for updates.

If the same Windows Update error 0x800706be returns, continue with the next step.

2. Run the Windows Update troubleshooter

1. Open Settings.
2. Go to System > Troubleshoot > Other troubleshooters.
3. Find Windows Update.
4. Click Run.
5. Apply any recommended fixes and restart the PC.

On Windows 10, go to Settings > Update & Security > Troubleshoot > Additional troubleshooters.

3. Restart Windows Update services

Open Command Prompt as administrator and run:

net stop wuauserv
net stop bits
net stop cryptsvc
net stop msiserver

net start msiserver
net start cryptsvc
net start bits
net start wuauserv

After the commands finish, try Windows Update again.

4. Clear the Windows Update cache

If the update cache contains damaged files, Windows may repeatedly fail with error 0x800706be. Renaming the cache folders forces Windows to create clean copies.

Open Command Prompt as administrator and run:

net stop wuauserv
net stop bits
net stop cryptsvc
net stop msiserver

ren %windir%\SoftwareDistribution SoftwareDistribution.old
ren %windir%\System32\catroot2 catroot2.old

net start msiserver
net start cryptsvc
net start bits
net start wuauserv

Restart your PC, then check for updates again. Windows will automatically recreate both folders.

5. Repair Windows component store with DISM

DISM repairs the Windows image used by Windows Update and system servicing.

Open Windows Terminal or Command Prompt as administrator and run:

DISM /Online /Cleanup-Image /RestoreHealth

Wait until it reaches 100%. Do not close the window if it appears stuck for several minutes.

6. Run System File Checker

After DISM completes, run:

sfc /scannow

If SFC reports that it repaired files, restart Windows and try the update again.

7. Install the update manually

If only one specific update fails, install it manually from the Microsoft Update Catalog.

1. Go to Settings > Windows Update > Update history.
2. Copy the failed update number, such as KB503xxxx.
3. Search for that KB number in the Microsoft Update Catalog.
4. Download the correct package for your Windows version and architecture.
5. Run the downloaded .msu file and restart the PC.

This is useful when Windows Update itself fails during download but the standalone installer still works.

8. Perform an in-place repair upgrade

If error 0x800706be continues after repairing services, cache, and system files, use an in-place repair upgrade. This reinstalls Windows system components while keeping your files, apps, and most settings.

• Download the official Windows 11 or Windows 10 ISO from Microsoft.
• Mount the ISO.
• Run setup.exe.
• Choose Keep personal files and apps.
• Complete the upgrade and check Windows Update again.

Examples

Example 1: Error appears after downloading reaches 100%

This usually points to a corrupted update cache or servicing issue. Start with cache reset, then run DISM and SFC.

Example 2: Error appears immediately when checking for updates

This often means a service, proxy, VPN, or security tool is interfering. Restart update services and temporarily disable network filtering tools.

Example 3: Only one KB update fails

Use the Microsoft Update Catalog and install that KB manually. If other updates install normally, the issue is likely limited to that package or its cached download.

Common Causes

• Interrupted update downloads.
• Windows Update service stuck in a failed state.
• Damaged files inside SoftwareDistribution.
• Broken catalog files inside catroot2.
• Corrupted Windows servicing components.
• VPN, proxy, DNS filtering, or third-party antivirus interference.
• Insufficient free disk space on the system drive.

Common Mistakes

• Deleting random files from WinSxS: This can break Windows servicing. Use DISM instead.
• Interrupting DISM or SFC: Let both commands finish even if progress looks slow.
• Skipping the restart: Many update service changes only apply correctly after rebooting.
• Installing the wrong update package: Match the KB file to your Windows version and CPU architecture.
• Running registry cleaners: They rarely fix Windows Update errors and can make the problem worse.

Best Practices

• Keep at least 15–20 GB of free space on the Windows drive.
• Restart Windows before installing large cumulative or feature updates.
• Avoid shutting down the PC while updates are being staged.
• Use stable Wi-Fi or Ethernet for major updates.
• Create a restore point before making major repair changes.
• Use Microsoft’s built-in repair tools before trying third-party utilities.

Verification

After applying the fixes, verify that Windows Update is working:

1. Open Settings > Windows Update.
2. Click Check for updates.
3. Install all available updates.
4. Restart the PC if prompted.
5. Return to Windows Update and confirm it says You’re up to date.

You can also confirm the installed update under Settings > Windows Update > Update history.