If you see an error with the kaearcha.dat file on your computer, you may have a security problem. The kaearcha.dat file belongs to the Kingsoft AntiVirus Engine from Kingsoft Corporation, part of the Kingsoft Internet Security suite.
An error with this file may disable your antivirus software, which can leave your system vulnerable to online attacks. You can attempt to fix the problem by reinstalling your antivirus software, but the issue may be in your registry and cleaning it might be a better solution.
The registry is a database at the heart of Windows that tracks everything installed on your computer. Sometimes mistakes can creep into the registry, and then Windows cannot find and use files it needs.
Clean up those mistakes with ZookaWare PC Cleaner. ZookaWare PC Cleaner hunts down registry errors and fixes them, blasting away any issues you have and getting your system working again. Try a free ZookaWare PC Cleaner scan to see if your registry has any mistakes that need to be cleaned.