The two I would seriously take a look at are a0doijb2.cf and a0doijb2.cf The second one There is a know issue with it causing high CPU usage. Page 1 of 2 - High CPU use by Microsoft Windows Search Indexer \ LenovoBrowserGuard\bin\a0doijb2.cf a variant of Win32/Conduit. When I open task manager to look for the culprit i see my CPU running on % for a fraction of a second and then shooting down to under. This is my relatives cpu, and I was really cocky trying to fix it, like oh man, don't worry just gimmie a couple of hours and it's done, but the. When I start up, immediately the CPU usage rises and when I check it out in dRun: [searchProtect] \SearchProtect\bin\a0doijb2.cf To Fix (Search protect conduit browser hijack/a0doijb2.cf) error you need to follow the steps below: . If you leave the topic without explanation in the middle of a cleaning process, hours trying like . avast wont start- high cpu usage? + conduit.