Should I block it?
No, this file is 100% safe to run.
 
 Additional versions
Additional versions
 
     
    
        QtHelp4.dll
Help by F-Secure Corporation (Signed)
| Version: | 4.8.2.65 | 
| MD5: | a8f6eacf6381c4c3f67d04a11abd7486 | 
| SHA1: | 65d8f8485149e8380d1c52e468a832430c83c6ef | 
What is QtHelp4.dll?
This module is part of the Qt Development framework, a cross-platform C++ application development and UI framework. Qt provides programs with enhanced UI features, such as opacity, drop-shadows, glow, and filtering support, along with graphics and web support enables rich UIs. Qt framework is available to any third party program to integrate.
About QtHelp4.dll (from F-Secure Corporation)
“Qt is a cross-platform application and UI framework. Qt will change the way you develop C++ applications for mobile devices forever. The easy-to-use Qt framework means you will be tied no longer to a ”
 Details
Details
| File name: | qthelp4.dll | 
| Publisher: | Nokia Corporation and/or its subsidiary(-ies) | 
| Product name: | Help | 
| Description: | Help application framework. | 
| Typical file path: | C:\windows\winsxs\x86_f-secure.qt_4_6_2_2e112a926211c0a3_4.6.2.680_none_a025cb6556b2730a\qthelp4.dll | 
| File version: | 4.8.2.65 | 
| Size: | 451.55 KB (462,392 bytes) | 
| Certificate | 
| Issued to: | F-Secure Corporation | 
| Authority (CA): | GlobalSign nv-sa | 
| Digital DNA | 
| PE subsystem: | Windows GUI | 
| File packed: | No | 
| Code language: | Microsoft Visual C++ 8.0 | 
| .NET CLR: | No | 
More details
 Distribution by Windows OS
Distribution by Windows OS
| OS version | distribution | 
| Windows 7 Home Premium | 25.00% |  | 
| Windows 8.1 | 12.50% |  | 
| Windows 7 Professional | 12.50% |  | 
| Windows 7 Home Premium N | 12.50% |  | 
| Windows 8 Pro | 12.50% |  | 
| Microsoft Windows XP | 12.50% |  | 
| Windows 7 Ultimate N | 12.50% |  | 
 Distribution by country
Distribution by country
United States installs about 62.50% of Help.
 Distribution by PC manufacturer
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| Lenovo | 66.67% |  | 
| Dell | 33.33% |  |