During login, the error below is logged in the error log at Diagnostics > Errors.
Process: res.exe (10.2.600.1 - C411923)
Error description: Message could not be parsed (see trace file for details)
The trace file contains the information below.
Info: Operator.DataIn; MSG: Message could not be parsed (see trace file for details)
Remove the Ivanti Workspace Control Agent installation and install it anew.