It is very likely that swin32.dll is viruses or malware. This file, and possibly others, are running in the background on your hard drive. Deleting these files as soon as possible is very important.

swin32 has been linked to the malware 2nd Thought Spyware, and should be cleaned immediately. Viruses and malware can be very tricky. Malware creators know their files will be deleted if found, so they sometimes give the files names that are similar to known essential files.

This free scan of your hard drive will help you to not delete any important programs.

Since swin32.dll is active on your hard drive, the chances that different types of viruses or malware are still on your computer are pretty high. You can avoid future problems with viruses and malware by using this free hard drive scanning tool.