Last night, multiple reports began to surface of computer malfunctions across all decks of the Enterprise. Apparently, this ship has been infected with a computer virus. Our engineers believe it may be a variant of the ISO-DV9 isolinear infection, and that it was brought aboard in a recent cargo transfer (and found a way around our high-tech security firewall), or, it may have been the result of intentional sabotage.
Reports, so far, have indicated that various sectors of the main computer are experiencing code overwrites, causing some areas of the verbal interface to respond in the Klingon language, instead of standard Federation English. A number of tactile interface panels have also been reformatted to display Klingon text, and Klingon opera music (from the Federation database) has been coded to replace some of the musical play lists available to our civilian decks.
Our engineering, communications, and security departments are working overtime to halt the spread of this virus, and reverse these persistent Klingon overwrites. A determined investigation is also underway in search of the original source of this infection. We hope ngabchu'taHmo' 'oHmo' yaS wa'DIch 'oH tu'lu'mo', tlhoS Dochvam vIDellaH 'ach Do'Ha' qarchu'wI', ngabnIS tuqnIS 'oH. The last thing we want is je qo'Daq yInta' tlhIngan.
-Lieutenant (JG) Tessa tlhInganpu'
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March 5, 2366 -- (Original Devron Timeline, altered by temporal anomaly)