Solution : https://service.sap.com/sap/support/notes/156185 (SAP Service marketplace login required)
Key words :
sapservx machines undergeneral\frontend\sapgui\extended_help\windows\shh\156185, additional key words shh, windows file explorer, exe remains loaded, display plain html, correct path names, sapgui directory, program shh, windows nt, windows directory
Related Notes :
| 520978 | PlainHtmlFile online-help doesn't work. |
| 378357 | Log "https" for Application help |
| 143558 | Additions upgrade to 4.5B online documentation |
| 115686 | Update of HTML Help Controls to Version 1.32 |
| 101481 | Collective note: Application help and R/3 library |