Should I block it?
No, this file is 100% safe to run.
 
     
    
        gstapp.dll
| MD5:    | 73c239c0d1e4b2502ca84c3c5bb76026 | 
| SHA1:    | d82606e07e7c55412330d97be20f688a34ade82d | 
Overview
gstapp.dll is loaded as dynamic link library that runs in the context of a process. This particular version is usually found on Windows 8.1 Pro (6.2.9200.0).
Details
| File name: | gstapp.dll | 
| Typical file path: | C:\Program Files\airvideoserver hd\resources\plugins\gstapp.dll | 
| Size: | 7.5 KB (7,680 bytes) | 
| Build date: | 3/10/2014 10:47 PM | 
| Digital DNA | 
| File packed: | No | 
| .NET CLR: | No | 
More details
Distribution by Windows OS
| OS version | distribution | 
| Windows 8.1 Pro | 
100.00% | 
 |