Steps to reproduce:
1. Download and open project "Boyscout"
2. Build and run scene "_Scenes/Main" for Web Player platform
3. In opened browser see "Error launching Unity Player".

Actual result:
Loading Web Player throws error "Error launching Unity Player" (Failed to decompress data for the AssetBundle 'WebStartData').

Expected result:
Loading Web Player without errors.

Reproduced with: 5.3.3p1, 5.3.3p2
Not reproduced: 5.2.2p4, 5.3.2p4, 5.3.3f1