diff --git a/Builder/IISMainHandler/build.txt b/Builder/IISMainHandler/build.txt
index 03a524d..a2998a8 100644
--- a/Builder/IISMainHandler/build.txt
+++ b/Builder/IISMainHandler/build.txt
@@ -1 +1 @@
-1115
\ No newline at end of file
+1120
\ No newline at end of file
diff --git a/Common/UserContext.cs b/Common/UserContext.cs
index ba5f80a..680e663 100644
--- a/Common/UserContext.cs
+++ b/Common/UserContext.cs
@@ -60,11 +60,16 @@ namespace FLocal.Common {
 			);
 		}
 
+		public static Guid GetGuid(this Exception exception) {
+			return Core.Cache<Guid>.instance.get(exception, () => Guid.NewGuid());
+		}
+
 		public static XElement ToXml(this Exception exception) {
 			return new XElement("exception",
 				new XElement("type", exception.GetType().FullName),
 				new XElement("message", exception.Message),
-				new XElement("trace", exception.StackTrace)
+				new XElement("trace", exception.StackTrace),
+				new XElement("guid", exception.GetGuid().ToString())
 			);
 		}
 
diff --git a/IISMainHandler/WebContext.cs b/IISMainHandler/WebContext.cs
index 658b637..e23c584 100644
--- a/IISMainHandler/WebContext.cs
+++ b/IISMainHandler/WebContext.cs
@@ -4,6 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Web;
 using FLocal.Core;
+using FLocal.Common;
 using FLocal.Common.dataobjects;
 using FLocal.Common.actions;
 using System.Xml.Linq;
@@ -152,7 +153,7 @@ namespace FLocal.IISHandler {
 		}
 
 		public void LogError(Exception e) {
-			using(StreamWriter writer = new StreamWriter(Common.Config.instance.dataDir + "Logs\\" + DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss") + "." + Guid.NewGuid() + ".txt")) {
+			using(StreamWriter writer = new StreamWriter(Common.Config.instance.dataDir + "Logs\\" + DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss") + "." + e.GetGuid().ToString() + ".txt")) {
 				writer.WriteLine("Requested url: " + this.httprequest.RawUrl);
 				writer.WriteLine("Remote ip: " + this.httprequest.UserHostAddress);
 				if(this.httprequest.Cookies["session"] != null) {
@@ -160,6 +161,7 @@ namespace FLocal.IISHandler {
 				}
 				writer.WriteLine();
 				writer.WriteLine("Exception: " + e.GetType().FullName);
+				writer.WriteLine("Guid: " + e.GetGuid().ToString());
 				writer.WriteLine(e.Message);
 				if(e is FLocalException) {
 					writer.WriteLine(((FLocalException)e).FullStackTrace);
diff --git a/templates/Full/Exception.xslt b/templates/Full/Exception.xslt
index 8516af9..1009f91 100644
--- a/templates/Full/Exception.xslt
+++ b/templates/Full/Exception.xslt
@@ -20,12 +20,9 @@
 								<xsl:text>Сообщение об ошибке: </xsl:text>
 								<xsl:value-of select="exception/message"/>
 								<br/>
+								<xsl:text>ID ошибки: </xsl:text>
+								<xsl:value-of select="exception/guid"/>
 								<br/>
-								<font size="-3">
-									<pre>
-										<xsl:value-of select="exception/trace"/>
-									</pre>
-								</font>
 							</td> 
 						</tr> 
 					</table> 
diff --git a/templates/Lite/Exception.xslt b/templates/Lite/Exception.xslt
index 8516af9..1009f91 100644
--- a/templates/Lite/Exception.xslt
+++ b/templates/Lite/Exception.xslt
@@ -20,12 +20,9 @@
 								<xsl:text>Сообщение об ошибке: </xsl:text>
 								<xsl:value-of select="exception/message"/>
 								<br/>
+								<xsl:text>ID ошибки: </xsl:text>
+								<xsl:value-of select="exception/guid"/>
 								<br/>
-								<font size="-3">
-									<pre>
-										<xsl:value-of select="exception/trace"/>
-									</pre>
-								</font>
 							</td> 
 						</tr> 
 					</table>