Do you have about ten different antimalware scanners installed on your laptop? When you get a virus, do you download antivirus after antivirus, hoping the next one will get the job done?
Save your disk space and keep your PC uncluttered with "rescue disk" scanners that DON'T need to be installed. This also means you don't have to worry about new scanners conflicting with old scanners, plus there is less chance of the malware preventing the scanner from doing its job.
Here are some offline antivirus scanners: