Some times Chrome is part of IE in a download you may have done. Here is a simple fix for Chrome & the space bar problem.
Step 1: At the top of your page where you type a URL address in, type this, chrome://plugins
Now yo should see a new window open that says Plug-Ins.
Step 2: look for the one that says Adobe Flash Player,( mine was the first one, your may or may not be. Look for this C:\Program Files\Chrome\Application\29.0.1547.66\PepperFlash\pepflashplayer.dll
Step 3: two lines below that line, You should see disable high lighted in blue. Click on it and then it should say Enable.
Step 4: And the last step and your done. Now, right below those Adobe Flash player and Shockwave Flash, click in the box that says Always Allow. should be a check mark in the box, your done and should have fixed your space bar problem