Use these free programs: 1- rkill.exe (kills the process) 2- tdss killer (removes the rootkit if one is found) 3- Malwarebytes (run in full mode to remove the leftover malware)
Open IE and click on tools/internet options/connections/Lan settings and uncheck proxy server...close it out and restart IE to see if you can get on-line... If you can't you will have to download them to a thumbdrive or cdr and then install them on the problem PC.
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