Author Topic: Avast free scans computer every time it boots and slows everything down  (Read 608 times)

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Offline amutm

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Hi there, topic title should explain it. It does this so it can get me to upgrade to the paid version by telling me what performance issues my computer has after a lengthy scan. fair enough as you would expect a free version to want you to upgrade but it takes about 10+ minutes to stop choking my system as disk usage goes to 100%. i don't know why it can't just do this once and remember the results in the future, it wouldn't really make any difference.

for reference i am on windows 10

Offline Asyn

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- Which version of Avast Free..?
- OS..? (32/64 Bit..? - which SP/Build..?)
- Other security related software installed..?
- Which AV(s) did you use before Avast..?
Win 8.1 [x64] - Avast PremSec 21.6.6435.IBC [UI.655] - EEK - Firefox ESR 78.12 [NS/uBO/PB] - TB 78.12
Avast-Tools: Secure Browser 91.1 - Cleanup 21.2 - SecureLine 5.12 - Driver Updater 21.2 - CCleaner 5.83
Avast Wissenswertes (Downloads, Anleitungen & Infos):

Offline bob3160

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    • bob3160 Protecting Yourself, Your Computer and, Your Identity

Repair Avast:
Control Panel> Program and Features (Add/remove program)>Select Avast> Select Repair. Reboot when completed
If Repair doesn't fix the problem, try the following:
Clean Install of Avast:
Free avast! Security Seminar:  -  Important: -- My Web Site: - Win 11 Pro v21H2 64bit, 16 Gig Ram, 1TB SSD, AvastOmni 21.6, How to Successfully Install Avast & Clean Install