How to fix
Cnqmmain.exe Bad Image error
on Windows
Resolve the Cnqmmain.exe Bad Image error on Windows 10 or 11 quickly and efficiently. Expert-tested solutions ensure zero traces left.
What causes How to fix Cnqmmain.exe Bad Image error in Windows?
- Old Canon Quick Menu file
- Conflict with Windows after upgrade
- Corrupted files
- Faulty printer driver
- Incompatible software
Repairs Windows system files, removes malware, and restores a clean OS state — without reinstalling.
Hello. I upgraded my Windows machine and I keep getting an error "Hidden Window: CNQMMAIN.EXE - Bad Image." What should I do?
Windows is the most used operating system. People love it for many different reasons. However, as with any software, some issues can arise. Recently, some users started getting a Cnqmmain.exe Bad Image error after upgrading Windows. The full error message reads as follows:
Hidden Window: CNQMMAIN.EXE - Bad Image
C:\WINDOWS\Twain_32\snp2uvc\snp2uve.ds is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support. Error status 0xc000012f.
Cnqmmain.exe file is a software component of the Canon Quick Menu. This menu provides access to the applications installed using the Canon products. The error might appear because of an old Canon Quick Menu file that conflicts with Windows.
In this guide, you will learn how to find it in your Event Viewer[ref en-1] and delete it. You can also use a maintenance tool like [d1] to scan your machine if you want to avoid the manual troubleshooting process. It can fix various system errors, BSODs,[ref en-2] corrupted files, and registry[ref en-3] issues. Otherwise, follow the instructions below.
Solution: Remove an old Canon Quick Menu file
- Open Windows Event Viewer
- Find the information logs about the error, you should see something like this:
Faulting application name: CNQMMAIN.EXE, version: 2.3.0.0, time stamp: 0x51ee1f7b
Faulting module name: dlbktwds.ds, version: 3.107.0.0, time stamp: 0x45df4d5a
Exception code: 0xc0000005
Fault offset: 0x00004da2
Faulting process id: 0xfc0
Faulting application start time: 0x01cf3a786aa3ca3b
Faulting application path: C:\Program Files (x86)\Canon\Quick Menu\CNQMMAIN.EXE
Faulting module path: C:\Windows\Twain_32\Dell\AIO Printer A920\dlbktwds.ds
Report Id: a881fcce-a66b-11e3-be08-1c6f65af0926
- Delete the Faulting module path
- In your case, the path could look different. You have to go to the folder provided in the logs and delete the file
- From the example, it would be dlbktwds.ds
Bottom line
To fix the Cnqmmain.exe Bad Image error, you can remove the old Canon Quick Menu file and delete the faulty module as indicated in the Event Viewer logs. Alternatively, using a maintenance tool can help scan and fix various system errors. If these solutions do not work, consider reinstalling the Canon Quick Menu or contacting support.
Frequently asked questions
The Cnqmmain.exe Bad Image error typically occurs due to corrupted system files or an incomplete installation of software related to the Canon printer or scanner drivers.
You can troubleshoot this error by running the System File Checker tool to repair corrupted files or by reinstalling the Canon software associated with Cnqmmain.exe.
Yes, disabling Cnqmmain.exe can temporarily resolve the error, but it may affect certain Canon printer functionalities, so consider fixing the underlying issue instead.
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