Here are some common libcef.dll error messages you might encounter: If libcef.dll is missing, you could receive various errors when you try to run these applications. Some applications need this file to work properly. Libcef.dll is Chromium Embedded Framework (CEF) Dynamic Link Library.
Fix 2: Exclude the Directory from Your Antivirus Software. I'll provide as much information as I can if anyone needs other details. We've seen this happen on Windows XP and Windows 7 (32 and 64-bit).Īny pointers on where to start would be greatly appreciated. I've tried with ASLR on and off, DEP on and off.I've tried delay-loading user32.dll and manually loading it via LoadLibrary (with SetErrorMode set to ignore errors), and nothing is working for me. I'm hoping there's something obvious in the properties for the project I'm doing incorrectly. I realize this is very vague, but that's pretty much unavoidable. But I'd like to start from the more basic - why is the application now crashing when it didn't before? Where do I start here? Some online exploring shows apps like Firefox replace LoadLibrary to blacklist DLLs from being injected. There's been many, many changes between the two versions so it's hard to say what it is. What's odd to me is the previous version of my software does not crash. I thought it was just badly written spyware, but I've since found other DLLs doing the same thing (such as acaptuser32.dll, which is legitimate software). I checked it out via Process Monitor, and any time this DLL was being injected, my application crashed. Once I cleared the AppInit reg key, this problem went away. I quickly discovered "datamngr.dll" is spyware and is being loaded as it was in the system's AppInit. I found a local system with this error as well and found when running it under a debugger, "datamngr.dll" had an access violation and failed allocating on the heap. 
In both cases it's: "The application was unable to start correctly (0xc0000142)". In beta testing a new release of my software, several users reported exceptions when running the app.
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