I have an issue with a Dell Windows XP Pro SP3 PC. Services.exe process consumes 90-100% of CPU usage in normal and safe mode with networking. When in just safe mode it consumes 50% cpu usage. I have pinned the issue down to the plug and play service - with this disabled service.exe and CPU usage is fine - with it enabled PC is unusable.
I have checked for viruses with MalwareBytes and Combofix(which removed a few minor infections) but CPU usage is still high when plug and play is enabled.
This may have been caused after upgrading to TrendMicro Titanium Maximum Security 2012 but this has since been uninstalled.
If anyone has seen this before I would be interested to know how it was sorted