I installed ArcMap10.5/ArcPro 2 and they worked for a couple of days. I now get an endless loop of messages. First - The ArcGIS for Desktop Advanced license is in need of a repair operations. Please access the ArcGIS Administrator to repair your licenses.

[WilliamEdwards]

Here are some screen captures for the above problem.

[JayantaPoddar]

The trusted Storage has got corrupt.

Delete all the content under C:\ProgramData\FLEXnet folder.

Then, try authorizing the licenses again.

[WilliamEdwards]

Jayanta, Thanks for the suggestion. I tried it, but the results didn't change

[JayantaPoddar]

Seeing only a blank comment. Did it (not) work?