Combase.dll: How to Fix It if It’s Missing or Crashing

Corrupted system files may trigger the problem

by Henderson Jayden Harper
Henderson Jayden Harper
Henderson Jayden Harper
Passionate about technology, Crypto, software, Windows, and everything computer-related, he spends most of his time developing new skills and learning more about the tech world. He also enjoys... read more
Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Combase.dll file missing or crashing on Windows 11 can be due to the file being compromised.
  • Running an SFC and DISM scan can help fix the problem,
  • Re-registering the combase.dll file will prompt it to be accessible and intact.

To fix errors caused by DLLs, we recommend Restoro:This software will replace the broken or corrupted DLLs with their working versions from a dedicated database where the tool has the official DLL files. The tools will also keep you away from hardware failure and malware damage. Fix PC issues and remove virus damage now in 3 easy steps:

  1. Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).
  2. Click Start Scan to find DLL files that could be causing PC problems.
  3. Click Repair All to replace broken DLLs with working versions
  • Restoro has been downloaded by 0 readers this month.

Many users report getting the combase.dll not found error while installing or starting an app on Windows 10/11. It can be because the Microsoft COM file is not available to help run Windows programs correctly.

Another missing file error is the Autorun.dll error on Windows 10/11, which prevents users from installing or updating programs.

What is Combase.dll?

Combase.dll is a Windows Dynamic Link Library file responsible for running Windows programs properly on the PC. It contains functions, instructions, and procedures used by Windows programs.

Furthermore, it is essential for running .exe programs on Windows 11. It is because it offers quick access to instructions and data necessary for applications to work.

Why is Combase.dll missing?

The combase.dll file missing on your PC can be due to many factors, including the corrupt combase.dll file.

Many users report that they start experiencing the error after updating Windows OS. The update might have installed a bug that has corrupted system files on Windows 11, causing it to be unusable or crash.

Also, you can encounter the combase.dll missing error because of other reasons, such as:

  • The combase.dll file is deleted – Users can mistakenly delete the combase.dll file from their computers while tweaking their registry. So, the programs that need the file won’t have access to it, resulting in the combase.dll missing error.
  • Malware attack – Malware on your computer can affect its performance and cause some components to not work properly. It can infect the combase.dll file, causing it to crash or miss.

Fortunately, there are a couple of fixes that you can use for the error.

How do I fix Combase.dll if it’s crashing or missing in Windows 11?

Go through the following preliminary checks before trying any advanced steps:

Expert tip:


Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken.
We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
Click here to download and start repairing.

Go ahead with the following solutions if it persists:

1. Run a System File Checker scan

  1. Left-click the Start button, type Command Prompt, and select Run as administrator.
  2. Select Yes on the User Account Control interface.
  3. Type this command and press Enter: sfc /scannow
  4. Restart your PC and check if the combase.dll problem persists.

Running a System File Checker scan will detect corrupt system files on your PC, repair them and restore the combase.dll file on Windows 11.

If you don’t want to manually run a System File Checker scan, then we recommend you try using an automated tool.

Restoro repair

Restoro is a reliable third-party DLL fixer which uses a built-in automated system and an online library full of functional DLLs to replace and repair any files that might be corrupted or damaged on your PC.

All you need to do to resolve your PC’s problems is to launch it, and simply follow the on-screen instructions to start the process, as everything else is covered by the software’s automated processes.

This is how you can fix registry errors using Restoro:

  1. Download and install Restoro.
  2. Launch the software.
  3. Wait for it to scan your PC for any stability issues and possible malware.
  4. Press Start Repair.
  5. Restart your PC for all the changes to take effect.

After this process is completed your PC will be as good as new, and you will no longer have to deal with BSoD errors, slow response times, or other similar issues.

Get Restoro

Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

Check our article about what to do if nothing happens when you select run as administrator on Windows 10/11.

2. Update your Windows OS

  1. Press Windows + I key to open the Windows Settings app.
  2. Click on Windows Update and click on Check for updates.

If there are any updates available, Windows will search for and install them. Updating Windows OS will fix bugs affecting your PC and update your drivers.

Read about fixing Windows not connecting to update service if the error occurs on your PC.

3. Re-register the DLL

  1. Left-click the Start button, type Command Prompt, and click Run as administrator.
  2. Click Yes on the User Account Control prompt.
  3. Type this command and press Enter: regsvr32 combase.dll
  4. Restart your PC and check if the error persists.

Re-registering the combase.dll file will rewrite and prompt it to appear when initialized.

4. Run DISM (Disk Image Servicing and Management) scan

  1. Left-click the Start button, type Command Prompt, and select Run as administrator.
  2. Select Yes on the User Account Control interface.
  3. Type the following and press Enter to execute the command: DISM.exe /Online /Cleanup-image /Restorehealth
  4. Restart your PC and check if the combase.dll problem persists.

The DISM scan will scan for corrupt files and components, then repair any problems it detects on your PC.

In conclusion, our readers may be interested in fixing the corrupt bootres.dll file in Windows 10/11 as it can cause the system not to boot.

Kindly leave your comments if you have any suggestions or questions below.

Still having issues? Fix them with this tool:


If the advices above haven't solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

This article covers:Topics: