Seems normally to be an issue with Kaspersky antivirus that shows up after an update from them so if your using that this is what you do.
This is a known issue with java, Win8 and Kaspersky. We are working on an automated fix, but for now please try this workaround:
Open Kaspersky 2013
Click on Settings
Click on Application control
Click on Applications
Look for Oracle America (this is the java and it should be trusted already)
Open each item in that folder using double click
Under the tab Exclusions check all 5 checkbox and click OK
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