What is karna.dat?

Please read below to decide for yourself whether the karna.dat on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Karna.dat file information

The karna.dat process does not contain any company information.

Description: Karna.dat is not essential for the Windows OS and causes relatively few problems. Karna.dat is located in the C:\Windows\System32 folder or sometimes in the C:\Windows folder. Known file sizes on Windows 10/8/7/XP are 6,144 bytes (98% of all occurrences) or 1,536 bytes. 
The program has a visible window. There is no file information. The process starts when Windows starts (see Registry key: AppInit_DLLs). The karna.dat file is not a Windows system file. karna.dat appears to be a compressed file. Therefore the technical security rating is 43% dangerous.

Recommended: Identify karna.dat related errors

Important: Some malware camouflages itself as karna.dat, for example TrojanDownloader:Win32/Eldycow.gen!A (detected by Microsoft), and Trojan.Perfcoo (detected by Symantec). Therefore, you should check the karna.dat process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving karna issues

A clean and tidy computer is the key requirement for avoiding problems with karna. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the karna.dat process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

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