Strange HTTP GET requests from IP 150.70.x.x and IP 62.24.x.x

Recently I started to notice that one of our sites gets strange HTTP GET requests from two IP ranges: 150.70.x.x and IP 62.24.x.x. The short version of this goes as follows: we have web service when users can submit results via HTTP GET request. For example: http://www.example.com/service?guid={BEDC2C9A-C5E6-4766-B57C-7CC07BB26F59}&result=x Each (next) user/request gets a new GUID, like: …

Windows API PlaySound error / silence

Today stumbled at strange behavior of Windows API function PlaySound in combination with SND_FILENAME flag. There are two scenarios: No sound is played, and PlaySound returns success (TRUE) in combination with SND_ASYNC; No sound is played, and PlaySound returns failure (FALSE) when using the same wav file, but without asynchronous flag. The cause is, that …

Error while receiving Verisign Authenticode certificate

Today when I was downloading/receiving Verisign Authenticode certificate I got the following error window: ————————— VBScript ————————— Error: 1AD occured, your certificate may not be co`rrectly installed ————————— OK ————————— Then I was redirected to the page with the following text: Your Certificate Could Not Be Installed Your certificate could not be installed in your …