How to reproduce:
1. Open the attached project named "Case_1300310"
2. Open the Profile Analyzer window
3. Load the attached pdata file
4. As it is loading move the Editor to another screen
5. Observe the loading progress bar and the console window

Expected results: The data file is loaded without any errors
Actual results: A warning message is printed and the loading process is aborted

Reproducible with: 1.0.4(2019.1.0a10, 2019.4.18f1, 2020.1.17f1, 2020.2.1f1, 2021.1.0b1)
Not reproducible with: 1.0.0, 1.0.4(2018.4.30f1, 2019.1.0a9)

Notes:
1. Does not occur with 2019.4, 2020.1, 2020.2 and 2021.1 when using package version 1.0.3 or earlier
2. System.Threading.ThreadHelper:ThreadStart () message is logged in the Console window after the Editor Window is moved