Should I block it?
No, this file is 100% safe to run.
 
     
    
        MainFrame.dll
MainFrame.dll by Baidu (China) Co. (Signed)
| Version: | 1,19,0,121 | 
| MD5: | ce386081643f2f32aeebd5a7bd721754 | 
| SHA1: | dcbf41a0923c704e379ef377a63a7f2684eab039 | 
| SHA256: | 04c793f8b4b7d865a37d3727010f4aac13acf1b5c1816e6998f718a3594447e5 | 
Overview
mainframe.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by Baidu (China) Co. which was issued by the GlobalSign nv-sa certificate authority (CA). This particular version is usually found on Windows 8 (6.2.9200.0).
 Details
Details
| File name: | mainframe.dll | 
| Publisher: | Baidu Inc. | 
| Product name: | MainFrame.dll | 
| Typical file path: | C:\Program Files\baidu\baiduplayer\1.19.0.121\mainframe.dll | 
| File version: | 1,19,0,121 | 
| Size: | 337.58 KB (345,680 bytes) | 
| Build date: | 2/26/2013 3:20 AM | 
| Certificate | 
| Issued to: | Baidu (China) Co. | 
| Authority (CA): | GlobalSign nv-sa | 
| Effective date: | Wednesday, February 22, 2012 | 
| Expiration date: | Sunday, February 22, 2015 | 
| Digital DNA | 
| File packed: | No | 
| .NET CLR: | No | 
More details
 Distribution by Windows OS
Distribution by Windows OS
| OS version | distribution | 
| Windows 8 | 100.00% |  | 
 Distribution by PC manufacturer
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| Acer | 100.00% |  |