I just installed a fresh Miktex 2.9 in Windows 10 (details attached in fig.)

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But it failed to run a tex file having revtex4-1 package and even when I changed the package to revtex4-2, it failed (see revtex4-1.cls not found in miktex2.9 in Windows 7).

I checked whether or not the miktex console is updated and found that 99 updates are pending in the freshly installed miktex (basic-miktex-20.12-x64.exe). I started updating. But at 88% (while installing packages) the miktex updating system failed showing some error message.

Then I thought to start a new installation from scratch. But from the control panel of my windows I could not even start the uninstalling process. I clicked the uninstall button for Miktex, but literally nothing happens. Just nothing. No error window, nothing. (fig attached)

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Then, here I found a hint (Uninstalling MiKTeX 2.9):

I suppose you have a standard installation. Go to C:\Program Files\MiKTeX 2.9\miktex\bin\x64\internal. Right-click on uninstall_admin.exe and select Execute as Administrator.

But in my pc uninstall_admin.exe is not present (fig attached).

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What should I do? Please help.

Please don't use difficult terminologies, I am a layman in this field.

  • Stop clicking randomly on buttons or following advices from five year old answers and find someone with knowledge in your vicinity who can look at your computer. And next time you get an error, stop and very carefully note what it is saying exactly and then ask what you should do before touching anything. Read the "So then I tried . . ." section here: chiark.greenend.org.uk/~sgtatham/bugs.html – Ulrike Fischer Jan 18 at 10:55

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