Also, I tried to download using a separate computer and the downloads are also being flagged and removed immediately.
3.1.5 - Trojan Virus
Same here, flagged as a virus in Windows 11 and it is now non-functional.
Screenshots from Virus Total
5 days later
I had the same... I've ignored the warnings for now.. but want to make sure it really is a false positive
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I just uploaded the OpenLP.exe for 3.1.5 and multiple sources reported as Trojan. I've removed the exception and let AVG delete it. Rolling back to 3.1.4
VirusTotal report for the OpenLP.exe: https://www.virustotal.com/gui/file/72fda7a42ed4806ea74d316a2b52195df47c446f5be8c43ec9ca474c0170cfa3
7 days later
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I too could not install 3.1.5, so I installed 3.1.4. It ran fine on Sunday, and tonight Windows 11 has deleted it, flagging it as a virus.
Update: I added an exception to the Windows 11 AV, asking it to avoid the OpenLP folder. Windows 11 AV hasn't removed it yet.
kurl8rocks I had to add another exception last night as Windows Defender detected a different virus in OpenLP.
It would be helpful if one of the development team could comment on what is happening, I'd just feel easier if they could confirm that OpenLP doesn't have a virus !
There is some technical description of the issue here: https://gitlab.com/openlp/wiki/-/wikis/Packages/Virus_False_Positives
Basically the way OpenLP is built for Windows often produces false positives 
The reason is we use PyInstaller to build the deployment package. Here is another link from that project regarding this issue: https://github.com/pyinstaller/pyinstaller/blob/develop/.github/ISSUE_TEMPLATE/antivirus.md
I am investigating if we can prevent this false positive virus warning for future releases.
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witterholt Will another version be released after this gets figured out? And will it include a flatpak? There are many of us still waiting for a flatpak release of 3.1.5. The latest flatpak is 3.1.3.
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owend Yes, once we have our new CI/CD pipeline working, where this fix is a part of, I can suggest to bring out a 3.1.6 release to fix the video autoplay issue as well.
I managed to download and instal the 32bit version of 3.1.5 quite effortlessly - seems to avoid the virus detection issue. Is there much of a difference in performance technically? I don't seem to notice much.
Hi guys,
I can't even uninstal... Is there a tip?
7 days later
You have to turn off your virus scanner or add an exception for OpenLP. For me it works.
I advice against turning off your virus scanner. Just add an exception for OpenLP.