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Solved: Windows 10 Cumulative Update KB4565503 Stuck Downloading, Failed to install

Windows 10 cumulative update

Windows 10 cumulative update

Microsoft regularly releases Cumulative updates for Windows 10 with bug fixes and security improvements to patch the security hole created by third-party apps. And With Windows 10 Microsoft make mandatory to automatically download and install the latest updates when the device connected to the Microsoft server. Or users manually check and install the latest Windows updates from Settings, Update & Security and check for updates. But some of the users report, Windows 10 update KB4565503 stuck at checking for updates, Windows update stuck downloading and installing at a specific percentage 0% to 99% or even 100%. For Some other users Windows update fails to install with different errors 0x80070002, 0x80070003 or 0xc1900403 etc.

Why windows update is stuck Downloading?

There are several reasons cause Windows Update stuck or fail to install Such as Internet connection problem, Security software blocking, Corrupt system files, there is no space on the system drive to download and install windows updates and more. And the most common is the Corrupted windows update components (Software Distribution Folder where windows download updates temporarily before installing them). If due to any reason Windows update database gets corrupted, Download a buggy update file. This may result, windows update stuck while downloading and installing, Or update installation fails with a Different error.

Fix windows update installation problems

Here some solutions you may apply to fix almost every Windows 10 Update download and installation problems.

Run Windows Update Troubleshooter

If the above solutions didn’t fix the problem, Still Windows update stuck installing or fails to install. Run the Build in Windows Update troubleshooter that check for problems prevent windows updates install correctly and fix them.

To Run Windows Update Troubleshooter:

Reset windows update Components

As discussed before corrupted windows update components are the most common reason behind most of the Windows 10 Update installation error. If running Windows update troubleshooter didn’t fix the problem. Delete the Previous update installation files from the software distribution folder. That download fresh Windows update files from the Microsoft server and solve the problem.

To perform this (modify the files or folder) first, we need to stop windows update component related services such as windows update service, BITS etc. Otherwise, the files or folder are open in programs and didn’t allow to modify it.

  1. Open the File Explorer using Windows + I keyboard shortcut.
  2. Navigate to C:\Windows\SoftwareDistribution\Downloads.
  3. Now Press Ctrl + A to select all files and folders inside the Download folder.
  4. Then hit the Delete key to remove them.

If you’re prompted for an administrator password or confirmation, type your password or provide confirmation.

Run System file checker Utility

Sometimes corrupted missing system files Also cause different problems that include Windows Update Download and installation stuck any percentage. Once run the Build in system file checker utility that scans and restore missing system files with correct one.

To run System file checker Utility on Windows 10

  1. Type cmd on start menu search
  2. Right click on Command prompt and select Run as administrator.
  3. Here command prompt window type sfc /scannow and enter key.
  4. This will start scanning for missing corrupted system files,
  5. If found any the Sfc Utility restore them with correct one from a compressed folder located  %WinDir%\System32\dllcache
  6. After 100% complete the scanning process restart windows to take effect the changes.

On next start again open windows updates from Settings -> Update & Security -> windows update -> check for updates check this time there is no more windows 10 Update errors.

Manually Install Windows Updates (Offline package)

If all the above solutions failed to fix the problem, Still windows update getting stuck checking for updates or failed to install with different errors. Try to manually install the Windows update offline package. To do this

Visit the Windows 10 update history webpage where you can notice the logs of all the previous Windows updates that have been released.

For the most recently released update, note down the KB number.

Now use Windows Update Catalog Website to search for the update specified by the KB number you noted down. Download the update depending on if your machine is 32-bit = x86 or 64-bit=x64.

As of Today 2020 –

Also, the Direct offline download link for these updates is available here.

Open the downloaded file in order to install the update.

That’s all after installing the updates simply restart the computer to apply the changes. Also If you are getting Windows Update stuck while upgrade process simply use the official media creation tool to upgrade windows 10 version 1809 without any error or problem.

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