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Author Topic: Unable to start boot time scan.  (Read 1593 times)

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Unable to start boot time scan.
« on: September 18, 2016, 04:35:43 AM »
When I try to do a boot time scan I get a window that says...

Avast Information
Unable to start scar.
The IOCTL call made by the application program is not correct.

Could you let me know what is the problem?
Should I DL an earlier version of the program?
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Offline Be Secure

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Re: Unable to start boot time scan.
« Reply #1 on: September 18, 2016, 04:43:12 AM »
- Which version..?
- OS..? (32/64 Bit..? - which SP/Build..?)
- Other security related software installed..?
- Which AV(s) did you use before Avast..?
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Offline bob3160

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Re: Unable to start boot time scan.
« Reply #2 on: September 18, 2016, 08:00:34 PM »
See if this helps:

Repair Avast:
Control Panel> Program and Features (Add/remove program)>Select Avast> Select Repair. Reboot when completed
https://www.avast.com/faq.php?article=AVKB204
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