Corrections in error and status messages.

driver.go

@@ -2,7 +2,7 @@ package drivervbox
 
 const (
 	driverName         = "vbox"
-	driverDescription  = "Kutti driver for VirtualBox >=6.0"
+	driverDescription  = "Kutti driver for VirtualBox 6.0 and above"
 	networkNameSuffix  = "kuttinet"
 	networkNamePattern = "*" + networkNameSuffix
 	dhcpaddress        = "192.168.125.3"
@@ -27,7 +27,7 @@ func (vd *Driver) Name() string {
 	return driverName
 }
 
-// Description returns "Kutti driver for VirtualBox >=6.0"
+// Description returns "Kutti driver for VirtualBox 6.0 and above"
 func (vd *Driver) Description() string {
 	return driverDescription
 }
@@ -43,7 +43,11 @@ func (vd *Driver) Status() string {
 }
 
 func (vd *Driver) Error() string {
-	panic("not implemented") // TODO: Implement
+	if vd.status != "Error" {
+		return ""
+	}
+
+	return vd.errormessage
 }
 
 func trimQuotes(s string) string {

drivervbox-findvboxmanage.go

@@ -2,7 +2,10 @@
 
 package drivervbox
 
-import "os/exec"
+import (
+	"errors"
+	"os/exec"
+)
 
 func findvboxmanage() (string, error) {
 
@@ -13,5 +16,7 @@ func findvboxmanage() (string, error) {
 	}
 
 	// Give up
-	return "", err
+	return "", errors.New(
+		"VBoxManage not found. Please ensure that Oracle VirtualBox 6.0 or greater is installed, and the VBoxManage utility is on your PATH",
+	)
 }

drivervbox-findvboxmanage_windows.go

@@ -31,5 +31,7 @@ func findvboxmanage() (string, error) {
 	}
 
 	// Give up
-	return "", err
+	return "", errors.New(
+		"VBoxManage.exe not found. Please ensure that Oracle VirtualBox 6.0 or greater is installed, and VBoxManage.exe utility is on your PATH",
+	)
 }