Category Archives: PacDbg

Poor PAC File Performance–A WireShark Example

A problem I have come across repeatedly in large enterprises is poor web browsing performance due to over engineered PAC file. One of the most common causes of issues I’ve found is poor DNS resolution performance in conjunction with extensive … Continue reading

Posted in PacDbg, WireShark | Tagged | Leave a comment

Case of the Office Hang on Launch

After a file server migration all Microsoft Office products started to hang on launch for over a minute. It was immediately observed that uninstalling Office File Validation fixed the launch, however it had been installed for over a year and … Continue reading

Posted in Debugging, Office, PacDbg, WinDbg | Tagged , , , | Leave a comment