How to Fix Windows Error dll-not-found — DLL File Not Found [2026]

Windows Error dll-not-found: DLL File Not Found

This error typically occurs when software uninstall incorrectly removed a shared dll file. Below you'll find 5 proven fixes to resolve it.

What Causes Windows Error dll-not-found?

Windows error dll-not-found (DLL File Not Found) can be triggered by several issues:

Software uninstall incorrectly removed a shared DLL file
Malware deleted DLL files to destabilize the system
Windows Update or system corruption removed the file
Application installer failed to place the DLL correctly
User accidentally deleted the DLL file

How to Fix Windows Error dll-not-found — Step by Step

Reinstall the software that needs the DLL

The cleanest fix: uninstall the program that shows the error, restart, and reinstall from the official website. The installer will place all required DLL files in the correct locations.

Run SFC scan

CMD as Admin:
sfc /scannow
If the missing DLL is a Windows system file, SFC restores it from the cached Windows image. This fixes DLLs like msvcp140.dll, vcruntime140.dll, and d3dx*.dll.

Register the DLL manually

If you have the DLL file in the right location: CMD as Admin:
regsvr32 C:\Windows\System32\filename.dll
Replace filename.dll with the actual DLL name. This works for COM-based DLLs.

Install the correct runtime package

If the DLL name starts with msvcp, msvcr, or vcruntime: install Microsoft Visual C++ Redistributable. If it starts with d3dx: install DirectX. If it starts with xinput: install Xbox controller drivers from Microsoft.

Check Recycle Bin

If you or a program recently deleted the DLL, it may be in the Recycle Bin. Open Recycle Bin, search for the file name, and restore it.

Still Getting Error dll-not-found?

IT Cares can diagnose and fix this error remotely — usually in under 30 minutes.

Call (581) 398-1270 Book Remote Session

Frequently Asked Questions

Is it safe to download DLL files from DLL sites?

No. Sites like dll-files.com and similar offer DLLs that may be outdated, wrong version, or infected with malware. Always get DLLs from official Microsoft packages or the original software installer.

Why do DLL errors appear after uninstalling a program?

When you uninstall software, it may delete DLL files it installed, not knowing that other programs also use them. Reinstalling the software that shows the error usually restores the file.

What does registering a DLL do?

Registration adds the DLL's class identifiers to the Windows registry so that programs can find and load it. Not all DLLs need registration — only COM/ActiveX DLLs.

Can antivirus delete DLL files?

Yes, if it incorrectly identifies a DLL as malware (false positive). Check your antivirus quarantine for recently removed files and restore them if they are from legitimate software.

How do I find out which DLL is missing?

The error message usually names the DLL file directly. If not, open Event Viewer (Win + X > Event Viewer) > Windows Logs > Application > look for the application error to see the DLL name.

How to Fix Windows Error dll-not-found — DLL File Not Found