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I tried to install the downloaded version of MikTex 2.9 on my HP Demon laptop and I got the following error.

MikTex installation error

I tried to change the installation folder but no success. Early help would be really appreciated.

Thanks, Sri Hari.

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    @AndréC bad advise especially seen the answer already provided. – albert May 19 '18 at 9:12
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    @AndréC You checked and verified that this is a false positive and not an actual infection? You are sure that the mirror doesn't contain any other file that has an infection, coming later in the installation process? That advice, to disable the virus scanner, puts the questioners computer at a risk, so I would not recommend it and I would not say "let's keep this solution here on the Internet forever" but rather delete porentially dangerous suggestions. – Stefan Kottwitz Sep 16 '18 at 8:38
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    @AndréC That's one more reason to not disable a virus scanner for a TeX installation. If somebody wants to install ransomware on computers of universities and academic people, he could put some bad script into a ctan mirror and once TeX runs it, it could do anything on the computer. I know you want to help with the advice above, still there will be the valid opinion that disabling a virus scanner is dangerous. – Stefan Kottwitz Sep 16 '18 at 9:08
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    @AndréC And not a correct positive, if the file is actually infected. ;-) – Stefan Kottwitz Sep 16 '18 at 9:32
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    @AndréC So some guy writes on the Internet that Windows is the most secure without any 3rd party antivirus software. Nice. It should be emphasized here too, that if you recommend to rely on the windows defender only, the windows OS installation should be very up to date. Anyway, it goes a bit off topic. – Stefan Kottwitz Sep 16 '18 at 10:14
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Had the same issue when downloading the MiKTeX from a specific mirror, choosen from inside the Net Installer. My virus scanner prompted me with "afgraph.pdf is a trojan horse". Than I downloaded MiKTeX directly from https://miktex.org/download , the Basic Installer and everything was fine.

  • Simply disable the antivirus during the installation of MikTeX – AndréC Sep 16 '18 at 7:10
  • @AndréC see my comments with the question. – albert Sep 16 '18 at 8:04
  • @albert i saw, but I don't agree with you. – AndréC Sep 16 '18 at 8:16
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    @AndréC Hacking and infecting servers happens and is pretty automated by criminals, addressing servers and CMSs with vulnerabilities spreading malware for spam etc. In case of a mirror with infected files, you still recommend to "temporary" disable the virus scanner? – Stefan Kottwitz Sep 16 '18 at 8:34

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