When i try to do a scan it gets to about 67% then crashes
im using bt net protect plus whicj is basically mcaffe and i am on windows 7
i have tried scanning the computer with some software called trojan killer and something called spy hunter and they dont come up with anything
what can i do to stop my pc crashing like this

Dani AI

Generated

Several answers already flagged likely directions (resource/scan load from , product/driver conflicts from and alternative scans mentioned by ). The following is a concise, practical diagnostic flow that goes deeper than “try another scanner” and helps distinguish software conflicts from failing hardware or driver bugs.

Collect crash evidence first. Inspect Windows Event Viewer (Windows Logs → System) for BugCheck, Kernel‑Power or application errors at the crash time and enable small memory dumps if none exist. An analyzed minidump (BlueScreenView or WinDbg) usually names the offending module — that single filename is the best lead to whether the fault is a third‑party driver, an AV kernel driver, or hardware.

Rule out OS, disk and memory issues. From an elevated command prompt run:

sfc /scannow
chkdsk C: /f /r

Boot a USB Memtest86 image and run at least one full pass. Check SMART with a drive vendor tool and monitor CPU/GPU temperatures under load (dust/poor cooling or a weak PSU can cause reboots only during heavy scans).

Targeted AV/driver checks next. A scan that consistently fails at the same place often means a specific file or driver triggers a kernel bug. Run an offline rescue ISO scan (so the normal OS drivers and GUI aren’t loaded). If a third‑party driver is implicated, use the vendor’s removal/cleanup utility to remove leftover drivers, update chipset/network/PCI drivers and BIOS, or temporarily disable nonessential PCI devices. Avoid running aggressive tools like Driver Verifier unless comfortable with diagnosing resulting BSODs.

Taken together, Event Viewer + a minidump + memory/disk tests will usually point to either (A) a faulty driver/module to remove/update, or (B) failing hardware (RAM/HDD/PSU/overheat). That single direction makes the next repair step straightforward.

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Would you be able to open up task manager and see what CPU usage it is at, although it might not be, it could be because your CPU is being overworked, virus scans can be very intensive things.

Scan your computer with one product at a time. You can get the results you are encountering when you have multiple AV products running at the same time.

try one of the online scans, panda activescan, and Computer Associates scanners, less footprint
disable most of the installed autoruns while you do it to lessen the processor load

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