Solution : https://service.sap.com/sap/support/notes/386744 (SAP Service marketplace login required)
Key words : 
document management additional key words docweb, car package dms46c[xx], abap source code, newer control version, activex control docweb, latest patch dms46c_, find patch dms46c_, activex docweb, load docweb, ocx dms46c
Related Notes : 
       
| 365088 | File name cut off when uploading with DocWeb.cab | 
| 353956 | Downloading ActiveX control DocWeb does not work | 
| 331407 | ITS patch installation of SAR packages (IAC packages) | 
| 326924 | Addit.parameters for upload/download in the Web | 
| 308101 | DocWeb ActiveX: No file box for incorrect file path |