Solved High Memory usage problem in task manager in Windows 10 in 4 steps: scan for virus and disable antivirus programs; disable. qcd3b52ipi7.tk is a qcd3b52ipi7.tk belonging to ACT. you can see what CPU, memory, disk and network utilization is causing the qcd3b52ipi7.tk process. into . I have high ram usage at times, I mean % and I think it's connected to malware and Malwarebytes can't pick it up, but when my windows.