title: I was trying to reinstall Eclipse and an unexpected error showed up
body: <p>So I was trying to reinstall Eclipse through the installer.previously removed the folders (that's what I read on how to uninstall it) and a problem showed up.</p>
  
  <p>I was trying to remove Eclipse and removed all the folders (searched "eclipse" in my disk and deleted it all). And now while reinstalling it through the installer this showed up. </p>
  
  <p>Don't know what to do so anything helps.</p>
  
  <blockquote>
    <p>[2020-03-23 22:43:56] ERROR: org.eclipse.equinox.p2.engine code=4 An error occurred during the org.eclipse.equinox.internal.p2.engine.phases.CheckTrust phase.
      at org.eclipse.oomph.util.OomphPlugin.coreException(OomphPlugin.java:280)
      at org.eclipse.oomph.p2.internal.core.ProfileTransactionImpl$3.commit(ProfileTransactionImpl.java:550)
      at org.eclipse.oomph.p2.internal.core.ProfileTransactionImpl.commit(ProfileTransactionImpl.java:342)
      at org.eclipse.oomph.setup.p2.impl.P2TaskImpl.perform(P2TaskImpl.java:903)
      at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3827)
      at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3755)
      at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3736)
      at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3629)
      at org.eclipse.oomph.setup.internal.installer.SimpleVariablePage.installPerform(SimpleVariablePage.java:1342)
      at org.eclipse.oomph.setup.internal.installer.SimpleVariablePage.access$32(SimpleVariablePage.java:1204)
      at org.eclipse.oomph.setup.internal.installer.SimpleVariablePage$20.run(SimpleVariablePage.java:1149)
      ERROR: org.eclipse.equinox.p2.engine code=0 session context was:(profile=C__Users_Garrido_eclipse_java-2020-03_eclipse, phase=org.eclipse.equinox.internal.p2.engine.phases.CheckTrust, operand=, action=).
      ERROR: org.eclipse.equinox.p2.engine code=0 Error reading signed content.
      java.io.IOException: Exception in opening zip file: C:\Users\Garrido.p2\pool\plugins\org.eclipse.ant.core_3.5.700.v20191221-1203.jar
        at org.eclipse.osgi.framework.util.SecureAction.getZipFile(SecureAction.java:340)
        at org.eclipse.osgi.internal.signedcontent.SignedBundleHook.getSignedContent(SignedBundleHook.java:217)
        at org.eclipse.equinox.internal.p2.engine.phases.CertificateChecker.checkCertificates(CertificateChecker.java:77)
        at org.eclipse.equinox.internal.p2.engine.phases.CertificateChecker.start(CertificateChecker.java:58)
        at org.eclipse.equinox.internal.p2.engine.phases.CheckTrust.completePhase(CheckTrust.java:55)
        at org.eclipse.equinox.internal.p2.engine.Phase.postPerform(Phase.java:254)
        at org.eclipse.equinox.internal.p2.engine.Phase.perform(Phase.java:105)
        at org.eclipse.equinox.internal.p2.engine.PhaseSet.perform(PhaseSet.java:50)
        at org.eclipse.equinox.internal.p2.engine.Engine.perform(Engine.java:80)
        at org.eclipse.equinox.internal.p2.engine.Engine.perform(Engine.java:48)
        at org.eclipse.equinox.internal.provisional.p2.director.PlanExecutionHelper.executePlan(PlanExecutionHelper.java:46)
        at org.eclipse.oomph.p2.internal.core.ProfileTransactionImpl$3.commit(ProfileTransactionImpl.java:546)
        at org.eclipse.oomph.p2.internal.core.ProfileTransactionImpl.commit(ProfileTransactionImpl.java:342)
        at org.eclipse.oomph.setup.p2.impl.P2TaskImpl.perform(P2TaskImpl.java:903)
        at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3827)
        at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3755)
        at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3736)
        at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3629)
        at org.eclipse.oomph.setup.internal.installer.SimpleVariablePage.installPerform(SimpleVariablePage.java:1342)
        at org.eclipse.oomph.setup.internal.installer.SimpleVariablePage.access$32(SimpleVariablePage.java:1204)
        at org.eclipse.oomph.setup.internal.installer.SimpleVariablePage$20.run(SimpleVariablePage.java:1149)
      Caused by: java.nio.file.NoSuchFileException: C:\Users\Garrido.p2\pool\plugins\org.eclipse.ant.core_3.5.700.v20191221-1203.jar
        at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:85)
        at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103)
        at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:108)
        at java.base/sun.nio.fs.WindowsFileAttributeViews$Basic.readAttributes(WindowsFileAttributeViews.java:53)
        at java.base/sun.nio.fs.WindowsFileAttributeViews$Basic.readAttributes(WindowsFileAttributeViews.java:38)
        at java.base/sun.nio.fs.WindowsFileSystemProvider.readAttributes(WindowsFileSystemProvider.java:198)
        at java.base/java.nio.file.Files.readAttributes(Files.java:1843)
        at java.base/java.util.zip.ZipFile$Source.get(ZipFile.java:1172)
        at java.base/java.util.zip.ZipFile$CleanableResource.(ZipFile.java:718)
        at java.base/java.util.zip.ZipFile.(ZipFile.java:238)
        at java.base/java.util.zip.ZipFile.(ZipFile.java:168)
        at java.base/java.util.zip.ZipFile.(ZipFile.java:182)
        at org.eclipse.osgi.framework.util.SecureAction.getZipFile(SecureAction.java:322)
        at org.eclipse.osgi.internal.signedcontent.SignedBundleHook.getSignedContent(SignedBundleHook.java:217)
        at org.eclipse.equinox.internal.p2.engine.phases.CertificateChecker.checkCertificates(CertificateChecker.java:77)
        at org.eclipse.equinox.internal.p2.engine.phases.CertificateChecker.start(CertificateChecker.java:58)
        at org.eclipse.equinox.internal.p2.engine.phases.CheckTrust.completePhase(CheckTrust.java:55)
        at org.eclipse.equinox.internal.p2.engine.Phase.postPerform(Phase.java:254)
        at org.eclipse.equinox.internal.p2.engine.Phase.perform(Phase.java:105)
        at org.eclipse.equinox.internal.p2.engine.PhaseSet.perform(PhaseSet.java:50)
        at org.eclipse.equinox.internal.p2.engine.Engine.perform(Engine.java:80)
        at org.eclipse.equinox.internal.p2.engine.Engine.perform(Engine.java:48)
        at org.eclipse.equinox.internal.provisional.p2.director.PlanExecutionHelper.executePlan(PlanExecutionHelper.java:46)
        at org.eclipse.oomph.p2.internal.core.ProfileTransactionImpl$3.commit(ProfileTransactionImpl.java:546)
        at org.eclipse.oomph.p2.internal.core.ProfileTransactionImpl.commit(ProfileTransactionImpl.java:342)
        at org.eclipse.oomph.setup.p2.impl.P2TaskImpl.perform(P2TaskImpl.java:903)
        at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3827)
        at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3755)
        at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3736)
        at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3629)
        at org.eclipse.oomph.setup.internal.installer.SimpleVariablePage.installPerform(SimpleVariablePage.java:1342)
        at org.eclipse.oomph.setup.internal.installer.SimpleVariablePage.access$32(SimpleVariablePage.java:1204)
        ... 1 more</p>
  </blockquote>
  
  <hr>
  
  <p>I already tried to execute the installer as admin and the same error showed up.</p>