Ordinal 459

I have recently had my OS completely resinstalled and am trying to reload software I use.

When downloading software through a 3rd party, which is all that is available sometimes, when I try and run it it gives an error "The Ordinal 459 could not be located in the dynamic link library urlmon.dll". I also sometimes get a message to say the installer cannot connect to the internet when I am actually connected all the time.

I have looked on this forum and the web and there is lots of info but I have been left more confused than when I started. I have also lost my windows gadgets again which is a thread I started before and actually resulted in the rebuild mentioned above.

I can't explain why but feel that Adobe Reader has had something to do with this, trying to download that is when I lost my gadgets again.

Could someone please explain to me exactly what is going on and how I can get over this problem of running downloaded files through a 3rd party downloader.

Here is the result of running TSG SysInfo:

Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 32 bit
Processor: AMD Phenom(tm) 9950 Quad-Core Processor, x64 Family 16 Model 2 Stepping 3
Processor Count: 4
RAM: 3583 Mb
Graphics Card: ATI Radeon HD 3600 Series, 512 Mb
Hard Drives: C: Total - 305141 MB, Free - 205575 MB; E: Total - 953867 MB, Free - 615586 MB;
Motherboard: ASRock, N68C-S UCC
Antivirus: Microsoft Security Essentials, Updated and Enabled

Thanks