Experiencing the same issue. Issue only occurs after OneDrive updated to support Files On-Demand, alongside Windows 10 Fall Creators Update.
Steps done to try to overcome this issue, but to no avail: 1) Choose "Always keep on this device" for the destined folder inside OneDrive 2) Starts Minecraft Launcher using "Run as administrator"
Experiencing the same issue. Issue only occurs after OneDrive updated to support Files On-Demand, alongside Windows 10 Fall Creators Update.
Steps done to try to overcome this issue, but to no avail:
1) Choose "Always keep on this device" for the destined folder inside OneDrive
2) Starts Minecraft Launcher using "Run as administrator"