diff --git a/mozglue/build/WindowsDllBlocklist.cpp b/mozglue/build/WindowsDllBlocklist.cpp
index 2c566230940a..2c27a9ea38e2 100644
--- a/mozglue/build/WindowsDllBlocklist.cpp
+++ b/mozglue/build/WindowsDllBlocklist.cpp
@@ -77,6 +77,8 @@ static DllBlockInfo sWindowsDllBlocklist[] = {
   // { "uxtheme.dll", ALL_VERSIONS },
   // { "uxtheme.dll", 0x0000123400000000ULL },
   // The DLL name must be in lowercase!
+  // The version field is a maximum, that is, we block anything that is
+  // less-than or equal to that version.
   
   // NPFFAddon - Known malware
   { "npffaddon.dll", ALL_VERSIONS},
@@ -127,9 +129,6 @@ static DllBlockInfo sWindowsDllBlocklist[] = {
   // sprotector.dll crashes, bug 957258
   {"sprotector.dll", ALL_VERSIONS},
 
-  // Topcrash with Websense Endpoint, bug 828184
-  {"qipcap.dll", MAKE_VERSION(7, 6, 815, 1)},
-
   // leave these two in always for tests
   { "mozdllblockingtest.dll", ALL_VERSIONS },
   { "mozdllblockingtest_versioned.dll", 0x0000000400000000ULL },
@@ -220,7 +219,7 @@ static DllBlockInfo sWindowsDllBlocklist[] = {
   { "rlls.dll", ALL_VERSIONS },
   { "rlls64.dll", ALL_VERSIONS },
 
-  // Websense is crashing us on 48 & 49, bug 1291738
+  // Websense is crashing us for bunch of releases, bug 1291738 & bug 828184
   { "qipcap.dll", MAKE_VERSION(7, 6, 818, 1) },
 
   { nullptr, 0 }