diff --git a/source/health-check/stored-procedures/dbo.usp_hcCollectErrorlogMessages.sql b/source/health-check/stored-procedures/dbo.usp_hcCollectErrorlogMessages.sql
index b764a55..a4a52d3 100644
--- a/source/health-check/stored-procedures/dbo.usp_hcCollectErrorlogMessages.sql
+++ b/source/health-check/stored-procedures/dbo.usp_hcCollectErrorlogMessages.sql
@@ -130,6 +130,8 @@ WHILE @@FETCH_STATUS=0
 		FROM [health-check].[statsErrorlogDetails]	eld
 		WHERE	eld.[project_id] = @projectID
 				AND eld.[instance_id] = @instanceID
+		
+		SET @lastCollectedEventTime = ISNULL(@lastCollectedEventTime, '2021-01-01')
 
 		-------------------------------------------------------------------------------------------------------------------------
 		/* get local time to UTC offset */
diff --git a/source/health-check/stored-procedures/dbo.usp_hcCollectOSEventLogs.sql b/source/health-check/stored-procedures/dbo.usp_hcCollectOSEventLogs.sql
index 30b591f..b3a7903 100644
--- a/source/health-check/stored-procedures/dbo.usp_hcCollectOSEventLogs.sql
+++ b/source/health-check/stored-procedures/dbo.usp_hcCollectOSEventLogs.sql
@@ -339,8 +339,7 @@ WHILE @@FETCH_STATUS=0
 						#-- Create date		 : 20.11.2014
 						#-- Module			 : Database Analysis & Performance health-check
 						#-- Description		 : read OS event logs: Application, System, Setup
-						#-- ============================================================================
-
+						#-- ============================================================================					
 						$timeoutSeconds = ' + CAST(@configEventsTimeOutSeconds AS [nvarchar]) + N'
 						$code = {
 									$ErrorActionPreference = "SilentlyContinue"
@@ -393,7 +392,7 @@ WHILE @@FETCH_STATUS=0
 						SET @strMessage=N'running powershell script - get OS events...'
 						EXEC [dbo].[usp_logPrintMessage] @customMessage = @strMessage, @raiseErrorAsPrint = 1, @messagRootLevel = 0, @messageTreelevel = 4, @stopExecution=0
 
-						SET @queryToRun='master.dbo.xp_cmdshell N''@PowerShell -File "' + [dbo].[ufn_getObjectQuoteName](@psFileLocation + @psFileName, 'sql') + '"'''
+						SET @queryToRun='master.dbo.xp_cmdshell N''@PowerShell -ExecutionPolicy Bypass -File "' + [dbo].[ufn_getObjectQuoteName](@psFileLocation + @psFileName, 'sql') + '"'''
 						IF @debugMode=1	EXEC [dbo].[usp_logPrintMessage] @customMessage = @queryToRun, @raiseErrorAsPrint = 0, @messagRootLevel = 0, @messageTreelevel = 4, @stopExecution=0
 
 						DELETE FROM #psOutput