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Is the file zkdoi_ver2_ver.dll located on your computer? Your computer is infected.
We highly recommend you to remove zkdoi_ver2_ver.dll from your computer as soon as possible.
zkdoi_ver2_ver.dll is Trojan/Backdoor.
Kill the file zkdoi_ver2_ver.dll and remove zkdoi_ver2_ver.dll from Windows startup.