I have a problem with imported pictures in Indesign. I import them and give them the positioning I want. And after that the image is going to live his own life. The picture is going to stretch extremely.
Try turning OFF GPU acceleration in the Preferences, under the GPU Performance Tab.
Check for this:
It sounds like your Frame Fitting Options dialog was set to “Fit Content to Frame” as a preference. To fix it with no windows open go through the Object Menu as shown above to get the dialog and reset fitting to “None”. Then quit the program and when you relaunch it should be fixed. Using the “Clear Fitting Options” in the same pull-down menu will also accomplish this.