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"System Interrupts" CPU usage goes up with 4G Modem after Bitdefender installation

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I connect to internet with 2 different modems (in separate times):


1- ADSL Modem.


2- 4G Modem.


There is no problem with ADSL modem when downloading or something.


But when I start download something using 4G Modem, Usually after some few minutes or less, The CPU usage of "System Interrupts" in task manager, goes up & makes the PC very very slow that I can't run any app; even the moving of mouse's curser became very slow. If I stop downloading, CPU usage goes to normal again.


I didn't have this problem before. But after installing the Bitdefender Free antivirus, this problem started to happens for my PC. So I think its something related to Bitdefender Free.


Whats your solution?

Comments

  • Stefan I.
    Options


    Hi Raya,


    Please try to temporarily uninstall Antivirus Free and restart to see if this behavior persists without it.


    Thanks!