Windows programming tips

About Letting Your Program Die in Peace

requirement: medium knowledge of C/C++ or similar languages under MS Windows. One of the problem of writing a problem are the coding errors. There are many types of errors but the worst ones are those that trigger a Chernobyl reactor like effect. Something wrong occurs during the program execution, and instead of dying peacefully, it loses any control multiplying the magnitude of the event. Although … Continue reading About Letting Your Program Die in Peace »

tech pit

HOWTO compress Windows OEM Drivers Repository

updated 15/05/2018 Introduction The project of today is: Can I use NTFS compression to system drivers repository? It seems the ideal target to be compressed since it’s rarely used and it can consume 1 or more Gb of your system partition. The first problem is that we can’t use Windows File Explorer to compress it because we don’t have the correct access rights. The second … Continue reading HOWTO compress Windows OEM Drivers Repository »

tech pit

HOWTO Switch Core Isolation Memory Integrity

With Windows 10 1803, I decided to switch on Memory Integrity Isolation into Core Isolation options of Windows Defender Security Center. The problem is that once activated, the switch is disabled, and it is not possible to switch off. Naturally I have found, that this feature has some problems about: some of the old drivers may not work properly Virtualbox doesn’t work These forced me, … Continue reading HOWTO Switch Core Isolation Memory Integrity »

tech pit

HOWTO reset Windows Update client

In our lab, we had few machines with different Windows Update problems. Some PCs don’t accept anything from our WSUS server, some others seem to have other problems that prevent Windows Update working. I ran system and MS troubleshooters, but the problems weren’t solved. In all cases, the OSes seem to be healthy. Solution I had a long investigation phase, but I didn’t found anything … Continue reading HOWTO reset Windows Update client »

tech pit

Event 1111 – Printer drivers not found

During a final checkup into one of ours Windows 2008 R2 server, I noted groups of 3, 4 events 1111 into Event Log. All are TerminalServices warnings about several needed printer drivers not found, like the following: Driver Send to Microsoft OneNote 16 Driver required for printer Send To OneNote 2016 is unknown. Contact the administrator to install the driver before you log in again. … Continue reading Event 1111 – Printer drivers not found »

tech pit

Error INET_E_RESOURCE_NOT_FOUND

A couple of hours ago, I was trying to enable my web cams by a VPN. For some cams limitations, I have to use IE11. The problem is that it doesn’t load the login page returning the following error code: INET_E_RESOURCE_NOT_FOUND After some investigations, I have found that: I have no problem by using Firefox I have the very same problem by using Edge. I … Continue reading Error INET_E_RESOURCE_NOT_FOUND »

tech pit

IIS is not working anymore after a system upgrade

Introduction Suddenly this Monday, the PC hosting the bug tracker site jumped from Win10 1611 to 1709. At the end of the upgrade process, the site was not available anymore. IIS seemed up and running, but something occurred and put the site offline. Looking the event log, I saw swarms of the following errors: Error 2307 – IIS-W3SVC-WP The worker process for application pool ‘DefaultAppPool’ … Continue reading IIS is not working anymore after a system upgrade »

tech pit

HOWTO compress a folder by command line

NTFS file-system has the ability to compress files and folders to save disk space with only drawback is that they will be read and written slower than the normal ones. Windows File Explorer displays them in blue instead of black, and it allows to compress or expand by right-click them and selecting ‘Properties’ and then ‘Advanced’. Suppose that you have to compress a folder but … Continue reading HOWTO compress a folder by command line »