Sophos Central Endpoint and SEC: Computers fail/hang on boot after the Microsoft Windows April 9, 2019 update. Please follow knowledge base article 133945
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As a workaround to a problem you may need to register or unregister a .DLL (or other) file. To do this, run the Windows program regsvr32 at a command prompt, or from Start > Run.
Applies to the following Sophos products and versions
Not product specific
From the desktop, on the taskbar, select Start > Run > Type: cmd.exe > Press return.
Note: For Windows Vista and higher you must run the command prompt as an administrator. On Windows 8, for example, go to the Start screen, simply type cmd to search for the app, right-click the app returned and select Run as administrator at the bottom of the screen. Example:
A command prompt opens. You should either use 'CD' to change to the relevant directory (folder), or enter the full path to the file.
To register (or re-register) a file, type:
where <path> is the path to the file, and <filename> is the name of the file.
To unregister a file, type:
regsvr32 -u <filename>.dll
regsvr32 -u <path>\<filename>.dll
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