This application was precompiled with personalization turned off

Some days ago I have deployed one of my asp.net applications in Windows 2003 server. After deploying I could not browse any pages. I was getting the following errors –

This application was precompiled with personalization turned off, but it appears to have been turned on after the precompilation, which is not supported.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: This application was precompiled with personalization turned off, but it appears to have been turned on after the precompilation, which is not supported.

I did not include Source Error and Stack Trace here. So, what is the solution of the problem?
Yea! I have solved the problem by adding the following snippet in web config.

It works fine.
If you find same problem, try to solve the problem this way.

Sys.WebForms.PageRequestManagerTimeoutException The server request timed out

Few days ago I found an error when tried to export about 500 reports to pdf.  The error is Sys.WebForms.PageRequestManagerTimeoutException The server request timed out. This is not found as exception. It is found on run time as javascript error.  I was working on Ajax Control tool kit 3.5. It is occurred because export operation of 500 reports to pdf were relatively long time than default

How to solve this problem?

AsyncPostBackTimeOut is a property of ScriptManager of Ajax. You can change time out length. To solve this problem I have increased the time out of AsyncPostBackTimeOut property.

For example, for exporting 100 pdf I need 20 minutes. So, I will use maximum time out limit 20 minutes which is exactly 1200 seconds. My code is like below.


asp:ScriptManager>

**The default value of the AsyncPostBackTimeOut property is 90 seconds.
For long time running method (Suppose a method will run for more than 90 seconds), you should use web service by setting timeout (number of seconds) of that web method by Javascript.

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HTTP/1.0 503 Service Unavailable

Some days ago, I fall in a problem. I could not create an ASP.net project. An error occurred when I press ok button in New project.

ERROR:
“The Web server reported the following error when attempting to create or
open the Web project located at the following URL:
‘http://localhost/MyProjectMahedee’. ‘HTTP/1.0 503 Service Unavailable’.”

Solution:

Go to browser: Internet Options->LAN Settings-> Connection Tab-> Check Bypass Proxy Server