Although many reasons can explain this unfortunate situation, here's a list of solutions you can try to solve your issue:
- Right click on KaraFun Player icon and click on Properties. Under compatibility, make sure nothing is checked
- Make sure you have enough disk space on your hard drive
- Make sure your computer meets the minimum requirements
- Make sure KaraFun Player and its cache folder are on the same disk partition as Windows
If none of these solutions work, feel free to get in touch and we'll do our utmost to get you out of this situation.