Clear Windows Update Cache: How to Delete Update Cache Files and Free Up Disk Space

Windows Update is crucial for keeping your PC secure, stable, and up to date. However, cached update files can pile up over time, taking up gigabytes of storage and sometimes causing installation errors or failed updates.

If you want to clear Windows update cache, this guide covers multiple effective methods—manual, built-in, and automated—so you can free up disk space, resolve errors, and keep your system running smoothly.

Windows Update cache is a collection of temporary files stored by Windows when downloading and installing updates. These files are typically located in the SoftwareDistribution folder and are used to speed up the update process.

The cache may include:

• Downloaded update packages

• Temporary installation files

• Update logs

• Delivery Optimization files

While these files are useful during installation, they often remain on your system long after the update process is complete.

Is It Safe to Clear the Windows Update Cache?

Yes. In most situations, it's perfectly safe to clear Windows update cache files. Windows automatically recreates the necessary folders and downloads fresh copies of updates when needed.

Over time, Windows update files can accumulate and sometimes cause errors or slow down your system. Clearing the cache helps free space and resolve these issues. There are several reasons why users choose to clear the Windows update cache:

Free Up Disk Space

Windows updates can occupy several gigabytes of storage over time, especially on systems that have been upgraded through multiple feature updates. If you're running low on storage, you can choose to free up disk space.

Fix Update Errors

Corrupted cache files can prevent updates from downloading or installing correctly. Clearing the cache often resolves these issues.

Resolve Stuck Updates

If Windows Update is stuck at a specific percentage or repeatedly fails, removing cached files can force Windows to start fresh.

Improve System Maintenance

Regularly cleaning unnecessary files helps keep your system organized and prevents storage-related issues. Excessive junk files and update leftovers may also contribute to performance problems such as Windows 11 100 disk usage.

If you prefer a straightforward approach without using additional tools, File Explorer allows you to manually locate and delete Windows Update cache files in just a few steps.

Step 1: Stop Windows Update Services

• Press Windows + R, type services.msc, and press Enter.

• Locate Windows Update and Background Intelligent Transfer Service (BITS).

• Right-click each service and select Stop.

Step 2: Open the SoftwareDistribution Folder

Navigate to C:\Windows\SoftwareDistribution\Download to locate cached update files.

Step 3: Delete Cached Files

Select all files (Ctrl + A) and press Delete. Confirm prompts to remove the files safely.

Step 4: Restart Windows Update Services

Return to Services, right-click Windows Update and BITS, and select Start.

For users comfortable with command-line tools, Command Prompt provides a faster way to remove cached update files and restart essential Windows Update services.

Step 1: Open Command Prompt as Administrator

Press Windows + S, type cmd, right-click Command Prompt, and select Run as administrator.

Step 2: Stop Update Services

Run the following commands:

• net stop wuauserv

• net stop bits

Step 3: Delete Cached Files

• del /f /s /q %windir%\SoftwareDistribution\Download\*

This deletes all downloaded update files safely.

Step 4: Restart Update Services

• net start wuauserv

• net start bits

This is one of the quickest ways to clear Windows update cache manually.

Windows includes a built-in Disk Cleanup utility that can safely remove update-related files, making it a convenient option for routine maintenance.

Steps to Delete Windows Update Cache with Disk Cleanup

Step 1: Open Disk Cleanup

Press Windows + S, search Disk Cleanup, and run as Administrator.

Step 2: Select System Drive

Choose C: or the drive where Windows is installed.

Step 3: Clean Up System Files

Click Clean up system files. Check Windows Update Cleanup and any other files you want to remove.

Step 4: Remove Files

Click OK, then Delete Files. Disk Cleanup will remove the cached update files automatically.

Disk Cleanup is easy to use but may not remove every cached update file.

If you'd rather avoid navigating system folders or running commands, Advanced SystemCare offers a simple one-click solution to clear Windows Update cache and other junk files. Many users aren't comfortable deleting system files manually. Advanced SystemCare automates the process while providing additional system optimization features.

Benefits of Using Advanced SystemCare

One-Click Junk File Cleanup: Quickly removes temporary files, leftover Windows Update cache, and system clutter, freeing up disk space and preventing potential update errors without manual effort.

Automatic Removal of Update Cache Files: Detects and clears outdated or corrupted Windows update files safely, helping fix update failures and ensuring smooth installation of future updates.

Registry Cleaning: Repairs invalid or obsolete registry entries that can slow down your system or cause software conflicts, improving overall Windows stability and responsiveness.

Privacy Protection: Deletes browsing history, temporary files, and other private data, keeping sensitive information secure while reducing unnecessary storage usage on your PC.

Startup Optimization: Disables unnecessary startup programs and services, reducing boot times and memory usage, which helps Windows launch faster and run more efficiently.

Overall PC Performance Improvement: Combines system cleaning, optimization, and monitoring tools to enhance speed, responsiveness, and reliability, keeping your PC running smoothly while maintaining Windows updates.

How to Clear Windows Update Cache with Advanced SystemCare

Step 1: Install and Launch Advanced SystemCare

Download and install IObit Advanced SystemCare. Once installed, open the program to access its main dashboard.

Step 2: Enable Windows Autoupdate Cache Cleaning

Click the gear icon next to Junk File Clean. In the settings window.

Find Windows Autoupdate Cache, check the box, and click OK to save your changes.

Step 3: Scan Your PC

Return to the Care tab, select Junk File Clean, and click Scan. The program will search for Windows Update cache files and other unnecessary junk.

Step 4: Clean Windows Update Cache

After the scan is complete, click Fix to remove the detected files. Advanced SystemCare will automatically clear the Windows Update cache and free up disk space.

The program will automatically clear the Windows update cache and remove other unnecessary files that may be consuming disk space.

For users who regularly maintain their PCs, this is often the fastest and safest approach.

If updates still fail after cache cleaning, you may need to reset Windows Update components completely. This process rebuilds the necessary folders and services so Windows can download fresh updates.

Step 1: Open Command Prompt as Administrator

Press Windows + S, type cmd, right-click Command Prompt, and select Run as administrator.

Step 2: Stop Windows Update Services

• net stop wuauserv

• net stop cryptSvc

• net stop bits

• net stop msiserver

Step 3: Rename Update Folders

• ren C:\Windows\SoftwareDistribution SoftwareDistribution.old

• ren C:\Windows\System32\catroot2 Catroot2.old

Step 4: Restart Update Services

• net start wuauserv

• net start cryptSvc

• net start bits

• net start msiserver

Step 5: Check for Updates

Go to Settings > Update & Security > Windows Update and click Check for updates. Windows will download fresh update files.

Resetting Windows Update components is more advanced than clearing the cache, but it’s very effective for stubborn update errors.

How do I remove all Windows 10 update cache files?

Stop Windows Update services, open the SoftwareDistribution\Download folder, delete its contents, and restart the services. This will effectively remove Windows update cache files.

How to remove Windows update cache safely?

The safest methods are using Disk Cleanup, Advanced SystemCare, or deleting the SoftwareDistribution cache after stopping Windows Update services.

How do I manually clear Windows Update cache?

You can manually clear the Windows update cache by deleting files inside the SoftwareDistribution\Download folder after stopping update services.

Can I delete Windows Update cache without causing problems?

Yes. Windows automatically recreates the required folders and downloads updates again when necessary. Keep in mind that clearing the cache is different from uninstalling updates. If you need to roll back a problematic update, see our guide on how to remove Windows updates.

Why is my Windows Update cache so large?

Large feature updates, failed downloads, and years of accumulated update files can cause the cache to grow substantially.

Does clearing Windows Update cache improve performance?

While it won't dramatically boost speed, it can free storage space, resolve update errors, and improve overall system maintenance.

What is the fastest way to clear Windows update cache?

For most users, Advanced SystemCare offers the quickest way to clear Windows update cache with just a few clicks.

Final Verdict

Learning how to clear Windows update cache can help you recover valuable storage space and fix many common Windows Update problems. Whether you choose to manually delete Windows update cache files, use Disk Cleanup, or reset update components, each method can effectively remove unnecessary update data.

For users looking for the simplest solution, Advanced SystemCare provides an easy way to clear the Windows update cache, remove junk files, and optimize overall system performance—all without dealing with system folders or command-line tools.