diff --git a/lib/libimhex/include/hex/pattern_language/ast_node.hpp b/lib/libimhex/include/hex/pattern_language/ast_node.hpp
index fd090559d..535b0d1d8 100644
--- a/lib/libimhex/include/hex/pattern_language/ast_node.hpp
+++ b/lib/libimhex/include/hex/pattern_language/ast_node.hpp
@@ -2015,8 +2015,13 @@ namespace hex::pl {
             for (auto &func : customFunctions)
                 functions.insert(func);
 
-            if (!functions.contains(this->m_functionName))
+            if (!functions.contains(this->m_functionName)) {
+                if (this->m_functionName.starts_with("std::")) {
+                    evaluator->getConsole().log(LogConsole::Level::Warning, "This function might be part of the standard library.\nYou can install the standard library though\nthe Content Store found under Help -> Content Store.");
+                }
+
                 LogConsole::abortEvaluation(hex::format("call to unknown function '{}'", this->m_functionName), this);
+            }
 
             auto function = functions[this->m_functionName];
             if (function.parameterCount == ContentRegistry::PatternLanguage::UnlimitedParameters) {
diff --git a/lib/libimhex/source/pattern_language/preprocessor.cpp b/lib/libimhex/source/pattern_language/preprocessor.cpp
index c10e01285..63c6fc418 100644
--- a/lib/libimhex/source/pattern_language/preprocessor.cpp
+++ b/lib/libimhex/source/pattern_language/preprocessor.cpp
@@ -72,8 +72,12 @@ namespace hex::pl {
                         }
 
                         File file(includePath, File::Mode::Read);
-                        if (!file.isValid())
-                            throwPreprocessorError(hex::format("{0}: No such file or directory", includeFile.c_str()), lineNumber);
+                        if (!file.isValid()) {
+                            if (includePath.parent_path().filename().string() == "std")
+                                throwPreprocessorError(hex::format("{0}: No such file or directory.\n\nThis file might be part of the standard library.\nYou can install the standard library though\nthe Content Store found under Help -> Content Store.", includeFile.c_str()), lineNumber);
+                            else
+                                throwPreprocessorError(hex::format("{0}: No such file or directory", includeFile.c_str()), lineNumber);
+                        }
 
                         bool shouldInclude = true;
                         this->addPragmaHandler("once", [&, includePath, this](const std::string &value) {