Why you cant afford a virus killer? you need to install an antivirus and run full computer scan with eset, avg, avast antivirus etc. Otherwise your system could be damaged.
Also download wsock32.dll file from below mentioned link and paste exact location. You can found the exact location when the errors occurs, it shows the missing file location.http://www.dll-files.com/dllindex/dll-files.shtml?wsock32