« Reply #39 on: April 10, 2019, 12:05:30 AM »
Since you are now able to view .png files, likely a server glitch and not something on your end. I'd keep an eye out tho.
Thx. In the meantime, I was able to
fix Avast Free 15.10.4.2233 under W10 and Avast program update was set to manual (see first 2 screenshots)!
During the whole evening I did nothing with the laptop! One or 2 hours ago, I moved the mouse and the laptop showed me, that Avast had upgraded to 19.3. (see last 2 screenshots)!!!
But the biggest surprise was, that the SmartScan didn't show a NW scan error (see last screenshot)!!!

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Main:AMD LE1620,W7ult SP1 | MS-7091,P4,XPpro SP3 | AMD-Athlon 1800+ (XP pro SP3, FFesr 45.9, TB 45.8, CC 5.11) |
Laptops: Acer Aspire V5-591G,W10 Home[x64] v1909(Build 18363.959) | HPI_2020M,W8.1 pro[x64] | Amilo Xi2428,W8.1 pro | MD95400,W7ult SP1 | MD97400,XP pro SP3 |
FF 78.5.0 esr[NS,AOS,ABP], TB 78.4.3, MCS, CC 5.74, MBAM, MBAE, FW (XP+W7): CIS 3.14[FW,D+], AV: Avast Free [XP+W7:10.4.2233] 20.8.2429 |