I wanted to install Plesk on a clean Win2k3-WebEdition-Server. After I got the Problems (descibed at the buttom), I tested the installation on a clean & fresh built-up DELL Win2k3-DatacenterEdition-Server. Same Problem. Please help! Failures: c++ Runtime Error - "Program: This application has requested the Runtime to terminate it in an unusual way. Please contact application's support team for more information." Run-Time errer: Command "D:\Plesk\admin\bin\...\psa75_default_win.key" --norestart failed with code 3. Output:" << Abort Retry Ignore Run-Time error, same as 1 Run-Time error: Failed to connect to database: Bad handshake << Abort Retry Ignore ^^ same: "Bad handshake" ^^ same too: Bad handshake narf, SAME: "Bad handshake" Error 230 at StartService 'PleskControlPanel'. The pipe state is invalid ... Abort Retry Ignore Again, "Bad Handshake" End: FATAL ERROR: "Installation ended prematurely because of an error." https://localhost:8443 << blank screen.