A lot of the time when I close Unity (4.3, windows 7) or open a new project the editor windows justs freezes and I can not get it to respond in anyway. I see no errors in the log or on screen. Anyone else get this or know the cause?
Yes. Also getting this and have been getting this for a while now.
Windows 7, using Unity 4.3.2f1.
PC, Max Linux standalone builds but it feels like it started happening after deploying to Android.
bug posted: #583490
Do you have the Android SDK installed? Try killing adb.exe, that wakes Unity up for me - and to prevent the issue in the first place, start the adb server manually before running Unity.
Ah! Yes killing adb lets Unity close - guess its this: