Download Windows 7: Poolmon.exe
Tag Type Allocs Frees Diff Bytes Per Alloc Leak Nonp 1234567 1000000 234567 18765360 80 Here, tag Leak has 234,567 outstanding allocations, growing over time. PoolMon shows a tag , not a driver name. To map a tag to a driver on Windows 7: Method A: Using findstr on loaded drivers Open an elevated command prompt and run:
Open it in Notepad. Search for your tag. You might see: poolmon.exe download windows 7
For Windows 7 users, especially those dealing with mysterious system slowdowns, "low memory" warnings despite having ample RAM, or driver-induced crashes (BSODs), PoolMon is an indispensable scalpel. While Windows 7 is no longer under mainstream Microsoft support, millions of legacy systems, industrial machines, and personal computers still run it. Understanding how to obtain and use PoolMon on this OS remains a critical skill. Tag Type Allocs Frees Diff Bytes Per Alloc
Download the Sysinternals Suite (easiest) or the WDK 7.1.0 (most official). Run poolmon -b -d regularly. And when you see that one tag ballooning to gigabytes of non-paged pool, you’ll know exactly which driver to blame. Disclaimer: Windows 7 reached end of life on January 14, 2020. Microsoft no longer provides security updates. Use PoolMon and diagnostic tools only on systems that are isolated from the internet or as part of a controlled migration plan. Search for your tag