0x80004005 code: Eroded Badlands. A File that the Windows Product Activation (WPA) requires is damaged or missing. Please reboot, verify system permissions, and make sure your operating system is up-to-date.

Hi,

 

I ran into the below error upon trying to launch a modpack moments after I had been running a different modpack with no problem.

 

I am on a Mac, so any Windows advice is useless to me.

 

Here's a screenshot of the exact error code:

 

Please let me know if there is any other additional information I can provide to aid in finding a solution and resolving this error ASAP.