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A month ago I installed ESET Smart Security with a trial version for a month. After this month has ended, I uninstalled it (with its own uninstaller) and installed instead AVG Internet Security. Everything was working fine until the installation of ESET, since then I cannot open my Task Manager. It appears for a second, then disappears. Sometimes it doesn't even appear.

Today I tried to install CCleaner Professional (Trial version), the installation went smooth, but again, when starting it, it disappears in a second. I suppose these mysterious disappearances have to do with the initial ESET. Also, when trying to manually clean my registry (Run-> regedit), nothing appears. I use Windows 7. How could this be solved?

Eszter
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  • Its possible your applications may be blocked by ESET personal firewall.You can add the application in ESET personal firewall setting. – BDRSuite Feb 25 '15 at 14:13
  • The problem is that by the time these applications started to disappear, my ESET was already uninstalled. – Eszter Feb 26 '15 at 09:06
  • Do you have AVG still installed? Could you try to uninstall it to check whether it will help? – ge0rdi Mar 08 '15 at 21:56
  • No, it didn't help. Reinstalling Windows helped. – Eszter Mar 09 '15 at 10:52

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You need to check you blacklist. Antivirus software just likes to put almost every third-party applications there.

A Dwarf
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Rick Brucks
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