Login fails with error message with HRESULT: 0x80131515 (2001)
system shows the error message:
Could not load file or assembly '<filename>' or one of its dependencies. Operation is not supported.
(Exception from HRESULT: 0x80131515)"
Windows mistrusts some libraries that are copied from external sources into system directories like
c:\Program Files, marks them as insecure and blocks execution. This can happen on some systems, depending on the individual security policy situation. The block can be removed manually.
- Navigate to the progam directory of
CDCplus.exeand find the DLL named in the error message.
- Right-click the DLL and select "Properties".
- On the tab "General" under "Security", there is the entry:
The file came from another computer and might be blocked to help protect this computer.
- Click the button "Unblock".