Upgrade 7.11.13 to 7.11.15 fails at systemcheck on windows

[medipharma]

So we are back in this thread (so I did not exactly hijack it )

Upgrade from 7.11.13 to 7.11.15 error

Grrrr - completely hijacked thread!! Anyway… @matto98 Let’s deal with your problem as it is the reason for this thread existing. The error is almost certainly due to some form of malformed path…so let’s identify what that path is, so we can locate the cause. The error is occurring in the clean _path function. We want to know what the path is that suiteCRM is trying to clean, and then go and look at that path and sort out the problem. In order to do this, we are going to edit some code. (REMEM…

Basically - 7.11.13 has upgrade bug on windows and the suggested repair (upgrade patch) has bug too so its impossible to upgrade 7.11.13 on windows at the moment.