John, Im in control pnl, system security, windows firewall, I click on allow programs through firewall and a big list of programs comes up. Which ones do I change?
Change nothing. Windows Firewall does not control
downloading of files. It controls program access to the internet.
... the computer wont let me download jschem.exe,
This is probably an Internet Explorer security issue or possibly an antivirus/internet security program such as Norton or McAffee. Make sure IE8 internet zone security is set to Medium-High to allow downloads. To check it, run IE8. Click on tools-->internet options-->security tab. Click the internet icon and set the security level slider to medium-high. Click apply and OK.
If IE8 security was already set to medium-high, then you most likely have an antivirus/internet security program such as Norton or McAffee protecting you. Look for options in the appropriate program.
Also, you refer to jschem.exe. Where are you trying to download this file? The official file is named "JSchemWindows.zip" and is available from
http://dhost.info/jschem/says it is a his risk????.
What is the exact wording? There's probably a clue as to where the warning came from. Doing a google search on the exact wording will likely lead you directly to the solution.