"failed to start installation due to Fatal exception preparing installation task"

[ddr-oz]

trafficstars

What Operating System

Windows 10

Debug Code

FTB-DBGAYALAWAYIF

Describe the bug

cannot download any modpack after pressing the install button the it gives notification of "install requested for "FTB Revelations"" then after a short delay it gives the error "failed to start installation due to Fatal exception preparing installation task" as a notification in the bottom left corner it then doesn't install anything and shows the no modpacks screen in the library

Steps to reproduce

go to browse click any modpack install button click install in the install instance menu wait for error message

Expected behaviour

install the modpack

Screenshots

No response

Additional information

[ddr-oz]

i have tried uninstalling it and overwolf aswell as restarting the computer, it also dosent save my login info or any settings changes

[MichaelHillcox]

There is a lot of issues going on here. @covers1624 can you please take a look at the debug code as it looks like Java is not having a fun time.

[CoryNB]

i'm having the same issue, execpt bitlocker blocking my ability to do anything.