wdfcoinstaller01011.dll - Analyze and How to Fix Errors

★★★★★ Verified File (27.08.2026)

Description

Creation date: 26.07.2012 03:34:23
File version: 1.11.9200.16384
Antivirus scan: ✅ OK
Category: Runtime
File size: 1599.4 kb.
Architecture: 32-bit (x86)
✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.

Digital file signature `wdfcoinstaller01011.dll`

Publisher: Microsoft Corporation
Issuer: Microsoft Windows Verification PCA
Encryption algorithm: SHA1
Time stamp: Aug 17 16:45:40 2012 GMT

The wdfcoinstaller01011.dll file is a dynamic link library (DLL) that plays an essential role in the Windows operating system. DLL files are modular pieces of code and data that can be shared among multiple programs, allowing for efficient use of system resources.

MD5: e0a93cc5576c42fc0cd1a1911bc26b5e
SHA-1: 5d145d1365f74f2078e09d07d6d5d4fe731597c2
SHA-256: 6f9c64001aacf1ac569f6609585024c93c7ab9dc345a864e39b9d5da23aa47a1

Where it is used

The wdfcoinstaller01011.dll file is associated with the WDF (Windows Driver Framework) and is likely part of a driver or software component that manages device drivers. It supports the installation, removal, and management of drivers within Windows.

Errors related to `wdfcoinstaller01011.dll`

Common errors associated with this file include: - "wdfcoinstaller01011.dll not found" or "missing wdfcoinstaller01011.dll" - "error loading wdfcoinstaller01011.dll" These issues can cause system instability, application crashes, and performance degradation.

File security

The file appears to be a legitimate DLL as it is signed by Microchip. However, any unexpected or unexplained changes in the system files should always prompt caution. If you encounter errors, consider verifying the file integrity and source before taking action.

wdfcoinstaller01011.dll was not found
The code execution cannot proceed because wdfcoinstaller01011.dll was not found
Failed to load wdfcoinstaller01011.dll
The procedure entry point ... could not be located in wdfcoinstaller01011.dll

1.
2a. 👉 Try to copy wdfcoinstaller01011.dll C:\Program Files\Your program\
2b. Also try to copy to bin, lib folders.
2c. Try to copy wdfcoinstaller01011.dll C:\Program Files (x86)\Your program\
👉 Do not replace the files without first making backups.
How do I switch to the current Windows directory?
- Press and hold the key "win" on the keyboard and press the key "r" , then write %windir% and press the key Enter.
How to switch to the directory Program Files (x86) ?
- Press Win+R then enter %ProgramFiles(x86)% and after press Enter.

How to fix errors

Here are some steps to help resolve issues related to wdfcoinstaller01011.dll: - Reinstall the program that uses this DLL. This can ensure all required files are properly installed and up-to-date. - Update Windows to the latest version, which often includes bug fixes and improvements for system files. - Manually replace wdfcoinstaller01011.dll if you have a backup or a trusted source. Ensure the file is from a reputable location before using it.

Conclusion

The wdfcoinstaller01011.dll file plays an important role in the Windows system by supporting driver management and installation. Properly managing this file can help maintain system stability and performance.

WdfCoInstaller01011.dll is a Microsoft Windows Driver Framework (WDF) Co-installer file.

It specifically acts as the runtime library update installer for Kernel-Mode Driver Framework (KMDF) version 1.11. This file allows newer hardware drivers to function properly on older Windows systems (like Windows 7 or Vista) that didn't ship with KMDF 1.11 pre-installed.

Standard File Locations

The file is commonly located inside hardware driver packages and specific system repository paths:

Driver Repositories: C:\Windows\System32\DriverStore\FileRepository\
Development/WDK Kit: C:\Program Files (x86)\Windows Kits\8.0\redist\wdf\ (for x86 and x64)
Software/Game Directory: Inside the specific application folder of the peripheral driver you are trying to install (e.g., specific audio interfaces, USB controllers, or game pads).

How to Fix WdfCoInstaller01011.dll Errors Without Downloading

Missing or corrupted DLL errors are usually triggered by driver installation failures or restricted permissions. Follow these built-in system repair methods to fix the issue without downloading anything from third-party DLL sites.

1. Restore from the Recycle Bin or Antivirus Quarantine

Sometimes files are misplaced or mistakenly flagged by security software.

Recycle Bin: Open your Recycle Bin -> Search for wdfcoinstaller01011.dll -> Right-click and select Restore.
Antivirus: Open your Antivirus software -> Check Quarantine / Protection History -> If the file is listed, choose Allow on device or Restore.

2. Run DISM and SFC Scans (Built-In Windows Repair)

Windows has a self-healing tool that pulls missing native files directly from your hidden system image store.

Press the Windows Key, type cmd, right-click on Command Prompt, and select Run as administrator.
Copy and paste the following image repair command, then press Enter:
```
DISM /Online /Cleanup-Image /RestoreHealth
```
Once completed, type the file checker command and press Enter:
```
sfc /scannow
```
Restart your computer once the verification hits 100%.

3. Re-register the Existing DLL File

If the file exists but Windows cannot read it correctly, re-registering it manually via Command Prompt can fix the link.

Open Command Prompt as Administrator.
Type the following command and press Enter:
```
regsvr32 /u wdfcoinstaller01011.dll
```
Now type the registration command and press Enter:
```
regsvr32 wdfcoinstaller01011.dll
```

4. Run the Installer/Driver as an Administrator

If you see this error while installing a new piece of hardware, the installer may be lacking the administrative clearance required to write to system folders.

Go to the setup file (e.g., setup.exe or install.exe) of the program causing the issue.
Right-click the file and select Run as administrator.

If the error continues, let me know:

What specific hardware device or program are you trying to use?
What operating system version are you running (e.g., Windows 10, Windows 11, Windows 7)?

Other versions:
️ wdfcoinstaller01011.dll 1.11.8250.0 64-bit (x64)
Similar files:
️wdfcoinstaller01011920064.dll | ️wdfcoinstaller010119200.dll
Microsoft Corporation