From the help of the main program I'm havining issues with. Also have issues with Samurize, but that's more random.
Start Option may solve some troubles you faced.
Right-click the shortcut of ThroughClock and show the properties. Type the option below one space after the file name in the Target window.
Options you can set are,
Use this option in case the Clock appears at different position from previous session. "Seconds" must be typed the number between 0 to 999. The Clock may wait for those seconds to start. 5 to 20 would generally be good to solve your trouble.
When you faced an error message about FPU, this option command initializes it and will avoid the trouble.
This makes the Clock on Windows95 not use Screen Saver Manager.
Start Options do not differ uppercase or lowercase. You can set plural options together with.