diff --git a/Docs/src/library.but b/Docs/src/library.but
index 9400e757..ba127331 100644
--- a/Docs/src/library.but
+++ b/Docs/src/library.but
@@ -31,7 +31,7 @@ Note that you can only compile scripts using this system on Windows systems. It
 
 \S1{} Introduction
 
-The InstallLib macro allows you to install a library.
+The InstallLib macro allows you to install a library. It sets the error flag if something went wrong during library setup.
 
 To ask the user for a reboot if required, use the Modern UI with a Finish page or use \R{ifrebootflag}{IfRebootFlag} and make your own page or message box.
 
@@ -132,7 +132,7 @@ LIBRARY_COM
 
 \S1{} Introduction
 
-The UnInstallLib macro allows you to uninstall a library.
+The UnInstallLib macro allows you to uninstall a library. It sets the error flag if something went wrong during library removal.
 
 \S1{} Parameters
 
diff --git a/Include/Library.nsh b/Include/Library.nsh
index a745f085..6d41e0f6 100644
--- a/Include/Library.nsh
+++ b/Include/Library.nsh
@@ -344,8 +344,6 @@
     Call ":installlib.file_${INSTALLLIB_UNIQUE}"
 
     IfErrors 0 "installlib.register_${INSTALLLIB_UNIQUE}"
-    
-    ClearErrors
 
     SetOverwrite lastused