Q:
Unable to begin playing
A:
Try this, as suggested by Tech Support Ashley Segovia in a thread regarding exactly the same issue:
The missing mouse cursor issue is often caused by having mouse pointer trails enabled. Please follow these instructions to disabled the pointer trails.
1. Click on the Windows start button.
2. Select ‘Control Panel’.
3. For Windows XP: Double-click on the Mouse icon.
For Windows 7 and Vista: Click on ‘Hardware and Sound’ then select ‘Mouse’.
4. Go to the ‘Pointer Options’ tab and look for the ‘Visibility’ section.
5. In the ‘Visibility’ section, un-check the box next to ‘Display pointer trails’.
6. Click on OK.
Hope this helps!
Le edit: Some other things that reportedly worked for others in the past include ALT+TABbing a few times, changing the mouse’s USB slot, or changing the mouse entirely. I’d strongly recommend trying Ashley’s solution first though.
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(edited by Jigain.8231)