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scan time has increased by 12x
I have had Norton Internet Security installed on my PC for 4 years. I am running Win7, up to date with all patches. Complete scans have typically taken 50 min to scan nearly 2,000,000 items. Since March 17, 2018 the scan time has increased to 12 hrs to scan the same amount of files. Occasionally the complete scan only includes 500,000 files and then the time drops to 7 min, but the following weeks it goes back to 2,000,000 files and 12-14 hrs. I have hit the security help feature and it checks my setup and says everything is ok. I do also have Malewarebytes on my machine and it continues to scan 600,000 files in about 2 hrs. I have set it to exclude the Norton exe files folders. Neither of them has found any infections on my machine.
I contacted Norton help and they said the program had been updated recently and that is why scan times increased, but they should soon get quicker. It has been about 3 weeks since the slow down. I usually scan 1x/week and as I said, sometimes scan times are quicker when the number of files scanned drops by 75%, but then it goes back up again. Recently I have been scanning a few times a week to see if things would speed up. In the past, Norton always scanned 1.5 - 2 million files in under 1 hour.