From 3968af7399b80a5397112cc07cb4cbc962873dd9 Mon Sep 17 00:00:00 2001
From: jakozian <jannis.kozian@capgemini.com>
Date: Tue, 28 Apr 2026 09:57:40 +0200
Subject: [PATCH 1/3] #1688: Override installation path getter to look in
 windows registry

---
 .../tools/ide/tool/pgadmin/PgAdmin.java       | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/cli/src/main/java/com/devonfw/tools/ide/tool/pgadmin/PgAdmin.java b/cli/src/main/java/com/devonfw/tools/ide/tool/pgadmin/PgAdmin.java
index 46e1499497..9652701931 100644
--- a/cli/src/main/java/com/devonfw/tools/ide/tool/pgadmin/PgAdmin.java
+++ b/cli/src/main/java/com/devonfw/tools/ide/tool/pgadmin/PgAdmin.java
@@ -1,5 +1,8 @@
 package com.devonfw.tools.ide.tool.pgadmin;
 
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -7,6 +10,7 @@
 
 import com.devonfw.tools.ide.common.Tag;
 import com.devonfw.tools.ide.context.IdeContext;
+import com.devonfw.tools.ide.os.WindowsHelper;
 import com.devonfw.tools.ide.tool.GlobalToolCommandlet;
 import com.devonfw.tools.ide.tool.NativePackageManager;
 import com.devonfw.tools.ide.tool.PackageManagerCommand;
@@ -72,4 +76,30 @@ protected String getBinaryName() {
 
     return "pgadmin4";
   }
+
+  @Override
+  protected Path getInstallationPath(String edition, VersionIdentifier resolvedVersion) {
+    if (super.getInstallationPath(edition, resolvedVersion) == null) {
+      if (this.context.getSystemInfo().isWindows()) {
+        return getExecutableFolderFromWindowsRegistry();
+      }
+    }
+    return null;
+  }
+
+  private Path getExecutableFolderFromWindowsRegistry() {
+
+    WindowsHelper windowsHelper = WindowsHelper.get(this.context);
+    String registryPath = "HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\pgAdmin 4v9_is1";
+    String displayIcon = windowsHelper.getRegistryValue(registryPath, "DisplayIcon");
+    if (displayIcon != null) {
+      Path executablePath = Paths.get(displayIcon);
+      if (Files.isExecutable(executablePath)) {
+        Path installationDir = executablePath.getParent();
+        this.context.getPath().setPath(getName(), installationDir);
+        return installationDir;
+      }
+    }
+    return null;
+  }
 }

From 6a1c228baeb1a20ec04538b4b5ae530202c1b2a8 Mon Sep 17 00:00:00 2001
From: jakozian <jannis.kozian@capgemini.com>
Date: Tue, 28 Apr 2026 09:58:35 +0200
Subject: [PATCH 2/3] #1688: Fix installation flow and thus mention exception

---
 .../com/devonfw/tools/ide/tool/GlobalToolCommandlet.java     | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/cli/src/main/java/com/devonfw/tools/ide/tool/GlobalToolCommandlet.java b/cli/src/main/java/com/devonfw/tools/ide/tool/GlobalToolCommandlet.java
index 95c520a3b6..920c0eae48 100644
--- a/cli/src/main/java/com/devonfw/tools/ide/tool/GlobalToolCommandlet.java
+++ b/cli/src/main/java/com/devonfw/tools/ide/tool/GlobalToolCommandlet.java
@@ -159,7 +159,7 @@ protected ToolInstallation doInstall(ToolInstallRequest request) {
       executable = fileAccess.findFirst(downloadBinaryPath, Files::isExecutable, false);
     }
     ProcessContext pc = this.context.newProcess().errorHandling(ProcessErrorHandling.LOG_WARNING).executable(executable);
-    int exitCode = pc.run(ProcessMode.BACKGROUND).getExitCode();
+    int exitCode = pc.run(ProcessMode.BACKGROUND_SILENT).getExitCode();
     if (tmpDir != null) {
       fileAccess.delete(tmpDir);
     }
@@ -174,7 +174,8 @@ protected ToolInstallation doInstall(ToolInstallRequest request) {
     }
     installationPath = getInstallationPath(toolEdition.edition(), resolvedVersion);
     if (installationPath == null) {
-      LOG.warn("Could not find binary {} on PATH after installation.", getBinaryName());
+      throw new CliException("The tool " + this.tool + " is about to be installed. Please complete the installation and if required "
+          + "reboot your machine. Then rerun the command to start the tool.", 2);
     }
     return createToolInstallation(installationPath, resolvedVersion, true, pc, false);
   }

From 3c5b463abe8d55cee89ee5ad849503eae41e6a99 Mon Sep 17 00:00:00 2001
From: jakozian <jannis.kozian@capgemini.com>
Date: Tue, 28 Apr 2026 10:05:02 +0200
Subject: [PATCH 3/3] #861: Add to CHANGELOG

---
 CHANGELOG.adoc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index 8094e25c47..3a90e194b5 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -16,6 +16,7 @@ Release with new features and bugfixes:
 * https://github.com/devonfw/IDEasy/issues/1724[#1724]: Add gui commandlet
 * https://github.com/devonfw/IDEasy/issues/1853[#1853]: Add ARM releases for VSCode on Mac
 * https://github.com/devonfw/IDEasy/issues/1723[#1723]: Add commandlet for GitHub Copilot CLI
+* https://github.com/devonfw/IDEasy/issues/861[#861]: Fix install of pgadmin throws IllegalStateException when the install wizard starts
 
 The full list of changes for this release can be found in https://github.com/devonfw/IDEasy/milestone/44?closed=1[milestone 2026.05.001].