diff --git a/HGBD.HC b/HGBD.HC
index d8a2f5a..d6d5553 100644
--- a/HGBD.HC
+++ b/HGBD.HC
@@ -4,7 +4,6 @@
 #define HGC_SCREENSHOT 0x03
 #define HGC_DIRH 0x04
 #define HGC_GETURL 0x05
-#define HGC_GETURLSTR 0x06
 #define HGC_DELH 0x07
 #define HGC_CDH 0x08
 #define HGC_DIRCURH 0x09
@@ -30,15 +29,19 @@ BlkDevAdd(HGBD_DEV,0,1,1);
 
 HGBD = Let2Drv(HGBD_DEV->first_drv_let);
 
-U0 HGExec(I64 cmd)
+U0 FreeHGBD()
 {
-  while (HGBD_OP>0) { Sleep(1+(RandU16/8192)); };
+  HGBD_OP=0;
+}
+
+U0 HGExec(I64 cmd, Bool chain=FALSE)
+{
+  while (HGBD_OP>0 && !chain) { Sleep(1+(RandU16/8192)); };
   HGBD_OP=cmd;
   OutU8(HGC_PORT,HGC_NOOP);
   while (InU8(HGC_PORT)!=HGC_NOOP) { Sleep(0); };
   OutU8(HGC_PORT,cmd);
   while (InU8(HGC_PORT)!=cmd) { Sleep(0); };
-  HGBD_OP=0;
 }
 
 U0 ReadParamBuf() { DskCacheInvalidate(HGBD); BlkRead(HGBD,HGBD_PARAM_BUF,0,1); }
@@ -67,6 +70,7 @@ I64 CdH(U8 *pathname)
   ReadParamBuf;
   result = Str2I64(HGBD_PARAM_BUF);
   if (result==0) { Print("%s ", pathname); PrintErr("Path not found.\n"); };
+  FreeHGBD;
   return result;
 }
 
@@ -79,7 +83,7 @@ I64 CopyG(U8 *filename)
   HGExec(HGC_COPYG);
   ReadParamBuf;
   size = Str2I64(HGBD_PARAM_BUF);
-  if (size==-1) { return 0; };
+  if (size==-1) { FreeHGBD; return 0; };
   Print("Copying %s to Guest\n",filename);
   BlkRead(HGBD,HGFS_BUF,1,(size/BLK_SIZE)+1);
   if (StrCmp(filename+StrLen(filename)-2,".Z")==0) {
@@ -91,6 +95,7 @@ I64 CopyG(U8 *filename)
   } else {
     FileWrite(filename, HGFS_BUF, size);
   };
+  FreeHGBD;
   return 1;
 }
 
@@ -98,7 +103,7 @@ I64 CopyH(U8 *filename)
 {
   I64 size;
   CDirEntry *de = FilesFind(filename);
-  if (de==NULL) { return 0; };
+  if (de==NULL) { FreeHGBD; return 0; };
   Print("Copying %s to Host\n",de->full_name);
   U8 *file = FileRead(de->full_name, &size);
   ZeroParamBuf;
@@ -109,6 +114,7 @@ I64 CopyH(U8 *filename)
   HGExec(HGC_COPYH);
   Free(file);
   DirEntryDel(de);
+  FreeHGBD;
   return 1;
 }
 
@@ -122,6 +128,7 @@ I64 DelH(U8 *filename)
   ReadParamBuf;
   result = Str2I64(HGBD_PARAM_BUF);
   if (result==1) { Print("DelH %s\n", filename); };
+  FreeHGBD;
   return result;
 }
 
@@ -136,6 +143,7 @@ I64 DirH() {
   BlkRead(HGBD,HGFS_BUF,1,(size/BLK_SIZE)+1);
   MemSetU8(ToI64(HGFS_BUF)+size, 0x0, 1);
   Print(HGFS_BUF);
+  FreeHGBD;
   return entries;
 }
 
@@ -155,10 +163,13 @@ I64 CopyFindH(U8 *files)
 
 U8 *DirCurH() 
 {
+  U8 StrDCH[1024];
   ZeroParamBuf;
   HGExec(HGC_DIRCURH);
   ReadParamBuf;
-  return HGBD_PARAM_BUF;
+  StrCpy(StrDCH,HGBD_PARAM_BUF);
+  FreeHGBD;
+  return StrDCH;
 }
 
 U0 ScrShot()
@@ -166,7 +177,7 @@ U0 ScrShot()
   I64 size;
   BMPScrnCapture(SCREENSHOT_FILE);
   CDirEntry *de = FilesFind(SCREENSHOT_FILE);
-  if (de==NULL) { return; };
+  if (de==NULL) { FreeHGBD; return; };
   U8 *file = FileRead(de->full_name, &size);
   ZeroParamBuf;
   MemCpy(HGBD_PARAM_BUF,&size,8);
@@ -177,6 +188,7 @@ U0 ScrShot()
   OutU8(0x03F8, 0x99);
   Free(file);
   DirEntryDel(de);
+  FreeHGBD;
 }
 
 U0 GetURL(U8 *url)
@@ -195,7 +207,7 @@ U0 GetURL(U8 *url)
   HGExec(HGC_GETURL);
   ReadParamBuf;
   size = Str2I64(HGBD_PARAM_BUF);
-  if (size==-1) { PrintErr("Bad URL.\n"); return; };
+  if (size==-1) { PrintErr("Bad URL.\n"); FreeHGBD; return; };
   BlkRead(HGBD,HGFS_BUF,1,(size/BLK_SIZE)+1);
   if (StrCmp(localfile+StrLen(localfile)-2,".Z")==0) {
     U8 uzlocalfile[28];
@@ -206,21 +218,7 @@ U0 GetURL(U8 *url)
   } else {
     FileWrite(localfile, HGFS_BUF, size);
   };
-}
-
-U8 *GetURLStr(U8 *url)
-{
-  I64 size;
-  ZeroParamBuf;
-  StrCpy(HGBD_PARAM_BUF,url);
-  WriteParamBuf;
-  HGExec(HGC_GETURLSTR);
-  ReadParamBuf;
-  size = Str2I64(HGBD_PARAM_BUF);
-  if (size==-1) { PrintErr("Bad URL.\n"); return ""; };
-  BlkRead(HGBD,HGFS_BUF,1,(size/BLK_SIZE)+1);
-  MemSetU8(ToI64(HGFS_BUF)+size, 0x0, 1);
-  return HGFS_BUF;
+  FreeHGBD;
 }
 
 U0 HCopy()
@@ -234,6 +232,7 @@ U0 HCopy()
   BlkWrite(HGBD,clip,1,(size/BLK_SIZE)+1);
   HGExec(HGC_HCOPY);
   Free(clip);
+  FreeHGBD;
 }
 
 U0 HPaste()
@@ -246,6 +245,7 @@ U0 HPaste()
   BlkRead(HGBD,HGFS_BUF,1,(size/BLK_SIZE)+1);
   MemSetU8(ToI64(HGFS_BUF)+size, 0x0, 1);
   Print(HGFS_BUF);
+  FreeHGBD;
 }
 
 U0 HGBDInit()
diff --git a/hgbdd b/hgbdd
index 45f0643..d96cd74 100644
--- a/hgbdd
+++ b/hgbdd
@@ -30,8 +30,6 @@ def builtin(data):
         HGCDirH()
     if data == HGC_GETURL:
         HGCGetURL()
-    if data == HGC_GETURLSTR:
-        HGCGetURLStr()
     if data == HGC_HCOPY:
         HGCHCopy()
     if data == HGC_HPASTE:
@@ -220,29 +218,6 @@ def HGCGetURL():
         logger.error("error reading url " + url)
     conn.send(chr(HGC_GETURL))
 
-def HGCGetURLStr():
-    os.lseek(HGBD,0,os.SEEK_SET)
-    HGBD_PARAM_BUF = os.read(HGBD,BLK_SIZE)
-    url_comp = urlparse.urlparse(HGBD_PARAM_BUF[:HGBD_PARAM_BUF.find('\x00')])
-    url = url_comp.scheme + "://" + url_comp.netloc + urllib.quote(url_comp.path)
-    filedata = subprocess.Popen('wget -q -O - -U "" "' + url + '" 2>/dev/null', shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE).communicate()[0]
-    filedata = filedata.replace('$','$$')
-    filesize = len(filedata)
-    if filesize>0:
-        ZeroParamBuf()
-        os.lseek(HGBD,0,os.SEEK_SET)
-        os.write(HGBD,str(filesize))
-        os.lseek(HGBD,BLK_SIZE,os.SEEK_SET)
-        os.write(HGBD,filedata)
-        logger.info("CUrl " + url)
-    else:
-        filesize = -1
-        ZeroParamBuf()
-        os.lseek(HGBD,0,os.SEEK_SET)
-        os.write(HGBD,str(filesize))
-        logger.error("error reading url " + url)
-    conn.send(chr(HGC_GETURLSTR))
-
 def HGCHCopy():
     os.lseek(HGBD,0,os.SEEK_SET)
     HGBD_PARAM_BUF = os.read(HGBD,BLK_SIZE)