wdfcoinstaller01015.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: dll safely. Essential for Windows device driver installation. Fix missing or corrupted files. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	64-bit (x64)	Compatible with only 64-bit Windows
File version	1.23.16257.1000
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	62.5 kb.	64000 bytes.

Hashes:

MD5: eed49f882cce4f360d659e965fa349f9 ✅
SHA-1: a7b50c428fe9a4b6792c359ecc276a2a70a091b9
SHA-256: 35e5d90a1dc4b8d6f635986d4049229a7dc61c2f12064739401b7b72fa4d37c6
SHA-512: a6e06b2a4845896f3036b4e2cc976f83d4900b32bf2c278076bc07aaab15239450195369c069f54480f98ebfe7907d5c705b4c5e262c67a5fd23cb901d421676

✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.

wdfcoinstaller01015.dll File Guide & Fixes

wdfcoinstaller01015.dll is a critical system file related to the Windows Driver Framework (WDF) Co-Installer, which assists the operating system in properly installing and updating hardware drivers.

File Description & Standard Location

File Name: wdfcoinstaller01015.dll
Description: Windows Driver Foundation - Kernel-Mode/User-Mode Driver Framework Co-Installer. It packages version 1.15 of the framework runtime.
Standard Location:
- C:\Windows\System32 (For 64-bit files on 64-bit systems, or 32-bit files on 32-bit systems)
- C:\Windows\SysWOW64 (For 32-bit compatibility files on 64-bit systems)
- It can also frequently be found inside temporary driver extraction folders or application directories for hardware like graphics cards, drawing tablets, or game controllers.

How to Fix wdfcoinstaller01015.dll Errors (Without Downloading From Third-Party Sites)

Downloading independent .dll files from random internet databases is dangerous and can lead to malware infections. Use these native built-in Windows utilities and safe methods instead to repair or restore the file natively:

1. Run Built-In System Scans (SFC and DISM)

Windows features utility programs designed to automatically find missing or corrupted core operating system files and replace them from a secure local cache.

Press the Windows Key, type cmd, right-click on Command Prompt, and select Run as administrator.
Execute the Deployment Image Servicing tool first by typing this command and hitting Enter:
```
DISM /Online /Cleanup-Image /RestoreHealth
```
Wait for the process to reach 100%. Next, type the System File Checker command and press Enter:
```
sfc /scannow
```
Once completed, restart your computer.

2. Reinstall the Triggering Hardware Driver or Application

If the error occurs only when launching a specific program or using a specific device (e.g., a gamepad, tablet, or graphics card), the software installer contains the authentic DLL you need.

Right-click the Start Button and select Device Manager.
Locate the device giving you trouble (often marked with a yellow exclamation triangle).
Right-click it and choose Uninstall device.
Unplug the hardware device, plug it back in, or reinstall its official companion software to trigger a clean local deployment of the driver co-installer.

3. Check the Quarantine Section of Windows Defender

Sometimes aggressive security tools mistake driver co-installers for threat signatures and isolate them.

Go to Settings > Privacy & Security > Windows Security.
Click Virus & threat protection, then open Protection history.
Look for recent blocks or items marked as Quarantined.
If you see wdfcoinstaller01015.dll listed, click on it and select Restore.

4. Roll Back Your System with a Restore Point

If the error started happening recently after a system modification, you can revert Windows back to a point when the file was working perfectly.

Press the Windows Key, type Create a restore point, and click the top result.
Click the System Restore... button.
Select a date/time stamp from the list before the error started appearing.
Follow the prompt instructions to complete the local automated rollback.

?? Proactive Next Steps:

Could you specify what program or hardware device you are trying to use when this error pops up?
Are you running a 64-bit or 32-bit version of Windows?

Sharing these details will allow us to pinpoint exactly which driver package is failing to load!

📊 Diagnostics Tool: Verify Your `wdfcoinstaller01015.dll` File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Connected files:
msvcrt.dll
├── SETUPAPI.dll
├── KERNEL32.dll
├── ADVAPI32.dll
├── SHELL32.dll
├── USER32.dll
└── SHLWAPI.dll