Bug ID 526754: F5unistaller.exe crashes during uninstall

Last Modified: Jul 18, 2026

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3

Fixed In:
12.1.0, 12.0.0

Opened: Jun 05, 2015

Severity: 2-Critical

Symptoms

f5unistaller.exe crashes, dmp points to a double free in SGetRegistryAsString function

Impact

f5unistaller crashes

Conditions

HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\*\DisplayName contains 0 length data

Workaround

Using the crash dump created. PD can determine the value of * from there if data is placed into the DisplayName key - it will no longer trigger this defect

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips