Project Explorer resizes after test run. Readjustment doesn't stick.
There is an annoying problem as I use testcomplete. It keeps resizing the project explorer tab to about 2/3s of the horizontal resolution. I resize it back to about 1/4, but after the next test run, ...
After asking support I got this solution.
On the menu bar of TestComplete, click on View | Desktop | Restore Default Docking
