diff --git a/bignum.h b/bignum.h
index e1ab165b2..61ba3fa03 100644
--- a/bignum.h
+++ b/bignum.h
@@ -64,12 +64,6 @@ public:
         }
     }
 
-    explicit CBigNum(const std::string& str)
-    {
-        BN_init(this);
-        SetHex(str);
-    }
-
     CBigNum& operator=(const CBigNum& b)
     {
         if (!BN_copy(this, &b))
@@ -407,6 +401,7 @@ public:
 
     CBigNum& operator>>=(unsigned int shift)
     {
+        // Note: BN_rshift segfaults on 64-bit ubuntu 9.10 if 2^shift is greater than the number
         if (!BN_rshift(this, this, shift))
             throw bignum_error("CBigNum:operator>>= : BN_rshift failed");
         return *this;
@@ -516,6 +511,7 @@ inline const CBigNum operator<<(const CBigNum& a, unsigned int shift)
 inline const CBigNum operator>>(const CBigNum& a, unsigned int shift)
 {
     CBigNum r;
+    // Note: BN_rshift segfaults on 64-bit ubuntu 9.10 if 2^shift is greater than the number
     if (!BN_rshift(&r, &a, shift))
         throw bignum_error("CBigNum:operator>> : BN_rshift failed");
     return r;
diff --git a/main.cpp b/main.cpp
index 90d239fa0..0c7aff842 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1570,7 +1570,9 @@ bool LoadBlockIndex(bool fAllowNew)
         txNew.vout.resize(1);
         txNew.vin[0].scriptSig     = CScript() << 486604799 << CBigNum(4) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
         txNew.vout[0].nValue       = 50 * COIN;
-        txNew.vout[0].scriptPubKey = CScript() << CBigNum("0x5F1DF16B2B704C8A578D0BBAF74D385CDE12C11EE50455F3C438EF4C3FBCF649B6DE611FEAE06279A60939E028A8D65C10B73071A6F16719274855FEB0FD8A6704") << OP_CHECKSIG;
+        CBigNum bnPubKey;
+        bnPubKey.SetHex("0x5F1DF16B2B704C8A578D0BBAF74D385CDE12C11EE50455F3C438EF4C3FBCF649B6DE611FEAE06279A60939E028A8D65C10B73071A6F16719274855FEB0FD8A6704");
+        txNew.vout[0].scriptPubKey = CScript() << bnPubKey << OP_CHECKSIG;
         CBlock block;
         block.vtx.push_back(txNew);
         block.hashPrevBlock = 0;
@@ -3022,12 +3024,9 @@ string SendMoneyToBitcoinAddress(string strAddress, int64 nValue, CWalletTx& wtx
         return "You don't have enough money";
 
     // Parse bitcoin address
-    uint160 hash160;
-    if (!AddressToHash160(strAddress, hash160))
+    CScript scriptPubKey;
+    if (!scriptPubKey.SetBitcoinAddress(strAddress))
         return "Invalid bitcoin address";
 
-    // Send to bitcoin address
-    CScript scriptPubKey;
-    scriptPubKey.SetBitcoinAddress(hash160);
     return SendMoney(scriptPubKey, nValue, wtxNew);
 }
diff --git a/net.cpp b/net.cpp
index ada78eb36..d669b8c5e 100644
--- a/net.cpp
+++ b/net.cpp
@@ -1032,7 +1032,7 @@ void ThreadMessageHandler2(void* parg)
 {
     printf("ThreadMessageHandler started\n");
     SetThreadPriority(THREAD_PRIORITY_BELOW_NORMAL);
-    loop
+    while (!fShutdown)
     {
         // Poll the connected nodes for messages
         vector<CNode*> vNodesCopy;
diff --git a/rpc.cpp b/rpc.cpp
index 9f28e7ec7..b176b1580 100644
--- a/rpc.cpp
+++ b/rpc.cpp
@@ -503,7 +503,7 @@ Value CallRPC(const string& strMethod, const Array& params)
     // Connect to localhost
     tcp::iostream stream("127.0.0.1", "8332");
     if (stream.fail())
-        throw runtime_error("unable to connect to server");
+        throw runtime_error("couldn't connect to server");
 
     // Send request
     string strRequest = JSONRPCRequest(strMethod, params, 1);
diff --git a/ui.cpp b/ui.cpp
index 586200d6e..aad599c77 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -328,7 +328,7 @@ CMainFrame::CMainFrame(wxWindow* parent) : CMainFrameBase(parent)
     m_toolBar->Realize();
     // resize to fit ubuntu's huge default font
     dResize = 1.20;
-    SetSize(dResize * GetSize().GetWidth(), 1.1 * GetSize().GetHeight());
+    SetSize((dResize + 0.02) * GetSize().GetWidth(), 1.09 * GetSize().GetHeight());
 #endif
     m_staticTextBalance->SetLabel(FormatMoney(GetBalance()) + "  ");
     m_listCtrl->SetFocus();
@@ -346,24 +346,6 @@ CMainFrame::CMainFrame(wxWindow* parent) : CMainFrameBase(parent)
     m_listCtrl->InsertColumn(5, "Debit",        wxLIST_FORMAT_RIGHT, dResize * 79);
     m_listCtrl->InsertColumn(6, "Credit",       wxLIST_FORMAT_RIGHT, dResize * 79);
 
-    //m_listCtrlProductsSent->InsertColumn(0, "Category",      wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlProductsSent->InsertColumn(1, "Title",         wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlProductsSent->InsertColumn(2, "Description",   wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlProductsSent->InsertColumn(3, "Price",         wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlProductsSent->InsertColumn(4, "",              wxLIST_FORMAT_LEFT,  100);
-
-    //m_listCtrlOrdersSent->InsertColumn(0, "Time",          wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlOrdersSent->InsertColumn(1, "Price",         wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlOrdersSent->InsertColumn(2, "",              wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlOrdersSent->InsertColumn(3, "",              wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlOrdersSent->InsertColumn(4, "",              wxLIST_FORMAT_LEFT,  100);
-
-    //m_listCtrlOrdersReceived->InsertColumn(0, "Time",            wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlOrdersReceived->InsertColumn(1, "Price",           wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlOrdersReceived->InsertColumn(2, "Payment Status",  wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlOrdersReceived->InsertColumn(3, "",                wxLIST_FORMAT_LEFT,  100);
-    //m_listCtrlOrdersReceived->InsertColumn(4, "",                wxLIST_FORMAT_LEFT,  100);
-
     // Init status bar
     int pnWidths[3] = { -100, 88, 290 };
 #ifndef __WXMSW__
@@ -503,33 +485,34 @@ int CMainFrame::GetSortIndex(const string& strSort)
 
 void CMainFrame::InsertLine(bool fNew, int nIndex, uint256 hashKey, string strSort, const wxString& str2, const wxString& str3, const wxString& str4, const wxString& str5, const wxString& str6)
 {
-    string str0 = strSort;
-    long nData = *(long*)&hashKey;
+    strSort = " " + strSort;       // leading space to workaround wx2.9.0 ubuntu 9.10 bug
+    long nData = *(long*)&hashKey; //  where first char of hidden column is displayed
 
     // Find item
     if (!fNew && nIndex == -1)
     {
+        string strHash = " " + hashKey.ToString();
         while ((nIndex = m_listCtrl->FindItem(nIndex, nData)) != -1)
-            if (GetItemText(m_listCtrl, nIndex, 1) == hashKey.ToString())
+            if (GetItemText(m_listCtrl, nIndex, 1) == strHash)
                 break;
     }
 
     // fNew is for blind insert, only use if you're sure it's new
     if (fNew || nIndex == -1)
     {
-        nIndex = m_listCtrl->InsertItem(GetSortIndex(strSort), str0);
+        nIndex = m_listCtrl->InsertItem(GetSortIndex(strSort), strSort);
     }
     else
     {
         // If sort key changed, must delete and reinsert to make it relocate
-        if (GetItemText(m_listCtrl, nIndex, 0) != str0)
+        if (GetItemText(m_listCtrl, nIndex, 0) != strSort)
         {
             m_listCtrl->DeleteItem(nIndex);
-            nIndex = m_listCtrl->InsertItem(GetSortIndex(strSort), str0);
+            nIndex = m_listCtrl->InsertItem(GetSortIndex(strSort), strSort);
         }
     }
 
-    m_listCtrl->SetItem(nIndex, 1, hashKey.ToString());
+    m_listCtrl->SetItem(nIndex, 1, " " + hashKey.ToString());
     m_listCtrl->SetItem(nIndex, 2, str2);
     m_listCtrl->SetItem(nIndex, 3, str3);
     m_listCtrl->SetItem(nIndex, 4, str4);
@@ -544,8 +527,9 @@ bool CMainFrame::DeleteLine(uint256 hashKey)
 
     // Find item
     int nIndex = -1;
+    string strHash = " " + hashKey.ToString();
     while ((nIndex = m_listCtrl->FindItem(nIndex, nData)) != -1)
-        if (GetItemText(m_listCtrl, nIndex, 1) == hashKey.ToString())
+        if (GetItemText(m_listCtrl, nIndex, 1) == strHash)
             break;
 
     if (nIndex != -1)
@@ -1916,7 +1900,7 @@ CSendingDialog::CSendingDialog(wxWindow* parent, const CAddress& addrIn, int64 n
     fUIDone = false;
     fWorkDone = false;
 #ifndef __WXMSW__
-    SetSize(1.2 * GetSize().GetWidth(), 1.05 * GetSize().GetHeight());
+    SetSize(1.2 * GetSize().GetWidth(), 1.08 * GetSize().GetHeight());
 #endif
 
     SetTitle(strprintf("Sending %s to %s", FormatMoney(nPrice).c_str(), wtx.mapValue["to"].c_str()));
diff --git a/uint256.h b/uint256.h
index 9a0c77049..6976d9dc0 100644
--- a/uint256.h
+++ b/uint256.h
@@ -299,19 +299,18 @@ public:
         return string(psz, psz + sizeof(pn)*2);
     }
 
-    void SetHex(const std::string& str)
+    void SetHex(const char* psz)
     {
         for (int i = 0; i < WIDTH; i++)
             pn[i] = 0;
 
-        // skip 0x
-        const char* psz = str.c_str();
+        // skip leading spaces
         while (isspace(*psz))
             psz++;
+
+        // skip 0x
         if (psz[0] == '0' && tolower(psz[1]) == 'x')
             psz += 2;
-        while (isspace(*psz))
-            psz++;
 
         // hex string to uint
         static char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 };
@@ -332,6 +331,11 @@ public:
         }
     }
 
+    void SetHex(const std::string& str)
+    {
+        SetHex(str.c_str());
+    }
+
     std::string ToString() const
     {
         return (GetHex());