Should I block it?
No, this file is 100% safe to run.
 
     
    
        gsttag-0.11.dll
| MD5:    | 44a491ece6331e80ea6aa6290e579303 | 
| SHA1:    | be0b6960ccd27cf35970ef682e7f2bb439acca46 | 
Overview
gsttag-0.11.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: | gsttag-0.11.dll | 
| Typical file path: | C:\Program Files\airvideoserver hd\gsttag-0.11.dll | 
| Size: | 172.5 KB (176,640 bytes) | 
| Build date: | 3/10/2014 10:46 PM | 
| Digital DNA | 
| File packed: | No | 
| .NET CLR: | No | 
More details
Distribution by Windows OS
| OS version | distribution | 
| Windows 8.1 Pro | 
100.00% | 
 |