diff --git a/AA2Install/7z.cs b/AA2Install/7z.cs
index d46c285..3f0b80f 100644
--- a/AA2Install/7z.cs
+++ b/AA2Install/7z.cs
@@ -6,6 +6,7 @@
 using System.Diagnostics;
 using System.Windows.Forms;
 using System.Text.RegularExpressions;
+using System.Threading;
 
 namespace AA2Install.Archives
 {
@@ -37,6 +38,7 @@ public static Mod Index(string filename, bool miscFiles = false)
                 while (!p.HasExited)
                 {
                     Application.DoEvents();
+                    Thread.Sleep(100);
                 }
                 p.WaitForExit();
             }
@@ -108,6 +110,7 @@ public static string Extract(string filename, string dest = "")
                 while (!p.HasExited)
                 {
                     Application.DoEvents();
+                    Thread.Sleep(100);
                 }
             }
             return dest;
@@ -138,6 +141,7 @@ public static string ExtractWildcard(string filename, string wildcard, string de
                 while (!p.HasExited)
                 {
                     Application.DoEvents();
+                    Thread.Sleep(100);
                 }
             }
             return Paths.TEMP;
@@ -168,6 +172,7 @@ public static bool Compress(string filename, string workingdir, string directory
                 while (!p.HasExited)
                 {
                     Application.DoEvents();
+                    Thread.Sleep(100);
                 }
             }
             return System.IO.File.Exists(filename);
diff --git a/AA2Install/formMain.cs b/AA2Install/formMain.cs
index 60c2afd..2cbd6aa 100644
--- a/AA2Install/formMain.cs
+++ b/AA2Install/formMain.cs
@@ -736,6 +736,7 @@ public bool inject(bool createBackup = false, bool checkConflicts = true, bool s
                     while (bb.IsBusy)
                     {
                         Application.DoEvents();
+                        Thread.Sleep(100);
                     }
                 }
                 else