diff --git a/libs/main/console/pikbdlistener.cpp b/libs/main/console/pikbdlistener.cpp
index 194cf090..5d0d95aa 100644
--- a/libs/main/console/pikbdlistener.cpp
+++ b/libs/main/console/pikbdlistener.cpp
@@ -19,6 +19,7 @@
 #include "pikbdlistener.h"
 
 #include "piincludes_p.h"
+#include "piliterals.h"
 #ifndef WINDOWS
 #  include <termios.h>
 #else
@@ -147,7 +148,7 @@ PRIVATE_DEFINITION_END(PIKbdListener)
 
 
 PIKbdListener::PIKbdListener(KBFunc slot, void * _d, bool startNow): PIThread() {
-	setName("keyboard_listener");
+	setName("keyboard_listener"_a);
 	_object = this;
 #ifdef WINDOWS
 	PRIVATE->hIn  = GetStdHandle(STD_INPUT_HANDLE);
@@ -526,7 +527,7 @@ void PIKbdListener::readKeyboard() {
 		    cout << "'" << (char)(rc[i]) << "' ";
 		cout << endl;*/
 	}
-	if (ke.key == 0 && PRIVATE->ret > 1) ke.key = PIChar(rc).unicode16Code();
+	if (ke.key == 0 && PRIVATE->ret > 1) ke.key = PIChar::fromSystem(rc).unicode16Code();
 #endif
 	if ((rc[0] == '\n' || rc[0] == '\r') && PRIVATE->ret == 1) ke.key = Return;
 	if (exit_enabled && ke.key == exit_key) {
diff --git a/libs/main/io_devices/piserial.cpp b/libs/main/io_devices/piserial.cpp
index 0adb790f..bd4d6588 100644
--- a/libs/main/io_devices/piserial.cpp
+++ b/libs/main/io_devices/piserial.cpp
@@ -1199,7 +1199,7 @@ PIVector<PISerial::DeviceInfo> PISerial::availableDevicesInfo(bool test) {
 #	  endif
 	PIFile file_prefixes("/proc/tty/drivers", PIIODevice::ReadOnly);
 	if (file_prefixes.open()) {
-		PIString fc = file_prefixes.readAll(true), line, cpref;
+		PIString fc = PIString::fromAscii(file_prefixes.readAll(true)), line, cpref;
 		PIStringList words;
 		file_prefixes.close();
 		while (!fc.isEmpty()) {
@@ -1236,10 +1236,11 @@ PIVector<PISerial::DeviceInfo> PISerial::availableDevicesInfo(bool test) {
 					for (int i = 0; i < 5; ++i) {
 						fpath += "../";
 						// piCout << "try" << fpath;
-						if (_f.open(fpath + "idVendor", PIIODevice::ReadOnly)) di.vID = PIString(_f.readAll()).trim().toInt(16);
-						if (_f.open(fpath + "idProduct", PIIODevice::ReadOnly)) di.pID = PIString(_f.readAll()).trim().toInt(16);
-						if (_f.open(fpath + "product", PIIODevice::ReadOnly)) di.description = PIString(_f.readAll()).trim();
-						if (_f.open(fpath + "manufacturer", PIIODevice::ReadOnly)) di.manufacturer = PIString(_f.readAll()).trim();
+						if (_f.open(fpath + "idVendor", PIIODevice::ReadOnly)) di.vID = PIString::fromAscii(_f.readAll()).trim().toInt(16);
+						if (_f.open(fpath + "idProduct", PIIODevice::ReadOnly)) di.pID = PIString::fromAscii(_f.readAll()).trim().toInt(16);
+						if (_f.open(fpath + "product", PIIODevice::ReadOnly)) di.description = PIString::fromUTF8(_f.readAll()).trim();
+						if (_f.open(fpath + "manufacturer", PIIODevice::ReadOnly))
+							di.manufacturer = PIString::fromUTF8(_f.readAll()).trim();
 						if (di.pID > 0) break;
 					}
 				}
diff --git a/libs/main/system/pisystemmonitor.cpp b/libs/main/system/pisystemmonitor.cpp
index a6303bcc..fc0b24e7 100644
--- a/libs/main/system/pisystemmonitor.cpp
+++ b/libs/main/system/pisystemmonitor.cpp
@@ -21,6 +21,7 @@
 
 #include "pidir.h"
 #include "piincludes_p.h"
+#include "piliterals.h"
 #include "piprocess.h"
 #include "pisysteminfo.h"
 #include "pitime_win.h"
@@ -84,7 +85,7 @@ PISystemMonitor::PISystemMonitor(): PIThread() {
 	PRIVATE->mem_cnt.cb = sizeof(PRIVATE->mem_cnt);
 #  endif
 #endif
-	setName("system_monitor");
+	setName("system_monitor"_a);
 }
 
 
@@ -208,7 +209,7 @@ void PISystemMonitor::run() {
 	// piCout << (PRIVATE->cpu_u_cur - PRIVATE->cpu_u_prev).toMilliseconds() / delay_;
 #	else
 	PRIVATE->file.seekToBegin();
-	PIString str(PRIVATE->file.readAll(true));
+	PIString str = PIString::fromAscii(PRIVATE->file.readAll(true));
 	int si = str.find('(') + 1, fi = 0, cc = 1;
 	for (int i = si; i < str.size_s(); ++i) {
 		if (str[i] == '(') cc++;
@@ -246,7 +247,7 @@ void PISystemMonitor::run() {
 	// piCout << sl[0] << sl[12] << sl[13];
 
 	PRIVATE->filem.seekToBegin();
-	str = PRIVATE->filem.readAll(true);
+	str = PIString::fromAscii(PRIVATE->filem.readAll(true));
 	sl  = str.split(" ");
 	if (sl.size_s() < 6) return;
 	tstat.virtual_memsize          = sl[0].toLong() * page_size;
@@ -352,7 +353,7 @@ void PISystemMonitor::gatherThread(llong id) {
 	PIFile f(PRIVATE->proc_dir + "task/" + PIString::fromNumber(id) + "/stat");
 	// piCout << f.path();
 	if (!f.open(PIIODevice::ReadOnly)) return;
-	PIString str = f.readAll(true);
+	PIString str = PIString::fromAscii(f.readAll(true));
 	int si = str.find('(') + 1, fi = 0, cc = 1;
 	for (int i = si; i < str.size_s(); ++i) {
 		if (str[i] == '(') cc++;