The instructions Johnb35 mentioned. And please, dont do anything else on the computer while working with these programs. Close all other open windows while proceeding through these instructions and perform all the below in normal boot,
NOT safe mode.:
Please download Malwarebytes' Anti-Malware
HERE or
HERE and save it to your desktop.
Now, create a HijackThis log by doing the following:
Download the HijackThis installer from
HERE
Run the installer and choose
Install, indicating that you accept the licence agreement. The installer will place a shortcut on your desktop and launch HijackThis.
Click
Do a system scan and save a logfile
Most of what HijackThis lists will be harmless or even essential, don't fix anything yet.
Post the logfile that HijackThis produces along with the Malwarebytes Anti-Malware log and a
detailed description of the problems you are experiencing.