In your Windows operating system, there are large numbers of various files. These files are responsible for the proper running of the applications or programs installed in it. The Windows also consists of some DLL files. These DLL files are associated with different applications. When you run or open an application, the DLL file helps it to run. But it is seen that due to the damaging of missing of the DLL file, you may get some errors like Npswf32.dll is missing error in Windows. This error may come to you due to the missing or corrupt Npswf32.dll file. You will not be able to access the applications due to this error issue. So, it is very important to fix Npswf32.dll was not found error in your computer. You can resolve this problem with the help of some manual methods or you can also install Advanced System Repair tool to fix the issue automatically.