File Extension QTN

.QTN File

File extension: QTN
File type: Quarantine File

Notes about the QTN file extension:

To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The QTN file type is primarily associated with 'Norman Virus Control' by Norman. An infected file is encrypted and given the .QTN extension. It is then stored in the \NVC\QARANTIN directory under the main Norman Virus Control directory.

Detailed information for file extension QTN:

Primary association: Norman Virus Control
Company: Norman

To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

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