Many free converters try to "bundle" other software (like toolbars or trial antivirus). Always choose Custom Installation and uncheck any extra offers.
Before running any .exe file, right-click it and scan it with a reputable antivirus or upload it to VirusTotal to check for hidden malware. free-pdf-to-word-converter.exe download
Before you hit "download," remember that you might already have the tools you need: Many free converters try to "bundle" other software