

The Unknown Hard Error can be fixed in 5 different ways In this case, try running sfc/scannow and DISM utilities or roll back the update. Tens of people reported this problem right after the installation of automatic updates, so either your PC’s operating system either was injected by a corrupted update or the update might have damaged some of the system’s files. The DDE Server Window: explorer.exe – System Warning: Unknown Hard Error can also be caused by automatic Windows updates. In this case, we would recommend using Fortect Mac Washing Machine X9 because it will check the system’s files, registry entries, and malware at the same time. Usually, the System Warning: Unknown Hard Error is triggered by corrupted system’s files or registry entries, so running a full scan with a professional PC optimization utility may be the right solution. If possible, try to update/reinstall that application or uninstall it temporarily. exe files, so the first thing that you should do is to find out which application is responsible for the running of the mentioned file. The error may indicate explorer.exe, sihost.exe, ctfmon.exe, and other. Additionally, some users face various Blue Screen of Death (BSOD) errors. As pointed out by people who encountered it, the error turns the screen black, freezes the taskbar, and can make all desktop icons gone. The Unknown Hard Error causes a real havoc on the system. If some of these problems occur, users receive a pop-up alert which often identifies the process or file's location that triggered the error:ĭDE Server Window: explorer.exe – System Warning: Unknown Hard Error


