
The simple explanation of Safety Scanner (msert.exe) is quite straightforward – it’s a scan tool that users can download to identify and remove any malware residing on their computers. Malware has hijacked msert.exe after it expired – only applicable if you downloaded the Safety Scanner over 10 days before starting to get the error.A 3rd party software is preventing the scanner from starting.The executable of Safety Scanner has expired and needs to be redownloaded.Problem is caused by a missing C++ redistributable package.Windows Smart Screen is preventing the scanner from running on your system.Here are some of the most common culprits: Some users have reported receiving the “side-by-side configuration is incorrect” error when trying to run the security utility on their PCs. One such tool is Safety Scanner (msert.exe) – the executable name stands for Microsoft Support Emergency Response Tool.

Microsoft has developed a few security tools aimed to help users deal with malware on their Windows computers.
