diff --git a/gotelegram-bot/bot.py b/gotelegram-bot/bot.py
index 76581e2..d479181 100644
--- a/gotelegram-bot/bot.py
+++ b/gotelegram-bot/bot.py
@@ -100,7 +100,7 @@ logger = logging.getLogger(__name__)
 # CONFIGURATION
 # ============================================================================
 
-GOTELEGRAM_VERSION = "2.4.4"
+GOTELEGRAM_VERSION = "2.4.5"
 GOTELEGRAM_CONFIG = "/opt/gotelegram/config.json"
 TELEMT_CONFIG = "/etc/telemt/config.toml"
 TELEMT_SERVICE = "telemt"
diff --git a/install.sh b/install.sh
index f9d880b..9bff3e0 100644
--- a/install.sh
+++ b/install.sh
@@ -762,10 +762,45 @@ bot_install() {
     if [ "$need_py" = "1" ]; then
         log_info "$(t bot_install_python)"
         if command -v apt-get &>/dev/null; then
-            apt-get update -qq
-            # python3-full pulls venv, pip, distutils — safer than piece-by-piece
-            apt-get install -y -qq python3 python3-venv python3-pip python3-full 2>/dev/null || \
-                apt-get install -y -qq python3 python3-venv python3-pip
+            # Wait for dpkg lock (unattended-upgrades often holds it on fresh VPS)
+            local lock_waited=0
+            while fuser /var/lib/dpkg/lock-frontend &>/dev/null \
+                  || fuser /var/lib/dpkg/lock &>/dev/null \
+                  || fuser /var/lib/apt/lists/lock &>/dev/null; do
+                if [ $lock_waited -eq 0 ]; then
+                    log_warning "apt/dpkg locked by another process (likely unattended-upgrades), waiting up to 300s..."
+                fi
+                sleep 3
+                lock_waited=$((lock_waited + 3))
+                if [ $lock_waited -ge 300 ]; then
+                    log_error "apt lock not released after 300s. Kill unattended-upgrades and retry: systemctl stop unattended-upgrades; pkill -9 unattended-upgr"
+                    return 1
+                fi
+            done
+            [ $lock_waited -gt 0 ] && log_success "apt lock released (waited ${lock_waited}s)"
+
+            # Detect Python version for versioned venv package (Debian 12 / Ubuntu 24.04 need python3.12-venv etc.)
+            local py_ver=""
+            if command -v python3 &>/dev/null; then
+                py_ver=$(python3 -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")' 2>/dev/null)
+            fi
+
+            # apt's native lock timeout as extra safety
+            local APT_OPTS="-o DPkg::Lock::Timeout=120"
+
+            apt-get $APT_OPTS update -qq || log_warning "apt update had errors (continuing)"
+
+            # Build package list with versioned venv fallback
+            local pkg_list="python3 python3-venv python3-pip"
+            [ -n "$py_ver" ] && pkg_list="$pkg_list python${py_ver}-venv"
+            # python3-full is optional (not on all distros); try it first, then without
+            if ! apt-get $APT_OPTS install -y $pkg_list python3-full; then
+                log_warning "python3-full unavailable, installing core packages only..."
+                apt-get $APT_OPTS install -y $pkg_list || {
+                    log_error "Failed to install Python packages. Run manually: apt install $pkg_list"
+                    return 1
+                }
+            fi
         elif command -v dnf &>/dev/null; then
             dnf install -y -q python3 python3-pip
         elif command -v yum &>/dev/null; then
@@ -792,20 +827,37 @@ bot_install() {
         return 1
     fi
 
-    # Templates catalog
-    [ -f "$SCRIPT_DIR/templates_catalog.json" ] && \
-        cp "$SCRIPT_DIR/templates_catalog.json" "$GOTELEGRAM_DIR/"
+    # Templates catalog — skip if source and dest are the same file (symlink install case)
+    if [ -f "$SCRIPT_DIR/templates_catalog.json" ]; then
+        local src_tc="$SCRIPT_DIR/templates_catalog.json"
+        local dst_tc="$GOTELEGRAM_DIR/templates_catalog.json"
+        if [ "$(readlink -f "$src_tc" 2>/dev/null)" != "$(readlink -f "$dst_tc" 2>/dev/null)" ]; then
+            cp "$src_tc" "$dst_tc"
+        fi
+    fi
 
     # Venv — create, and verify pip exists (python3-venv can silently create broken venv)
     if [ ! -d "$BOT_DIR/venv" ] || [ ! -x "$BOT_DIR/venv/bin/pip" ]; then
         log_info "$(t bot_create_venv)"
         rm -rf "$BOT_DIR/venv"
         if ! python3 -m venv "$BOT_DIR/venv" 2>/tmp/venv_err; then
-            log_error "venv creation failed: $(cat /tmp/venv_err 2>/dev/null)"
-            # Try to fix by reinstalling python3-venv
+            log_error "venv creation failed:"
+            cat /tmp/venv_err >&2 2>/dev/null
+            # Try to fix by installing versioned python3.X-venv package
             if command -v apt-get &>/dev/null; then
-                apt-get install --reinstall -y -qq python3-venv python3-pip python3-full 2>/dev/null || true
-                python3 -m venv "$BOT_DIR/venv" || { log_error "venv still broken, aborting"; return 1; }
+                # Wait for lock again (unattended-upgrades may have restarted)
+                local lock_waited=0
+                while fuser /var/lib/dpkg/lock-frontend &>/dev/null; do
+                    sleep 3
+                    lock_waited=$((lock_waited + 3))
+                    [ $lock_waited -ge 180 ] && break
+                done
+                local py_ver
+                py_ver=$(python3 -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")' 2>/dev/null)
+                log_info "reinstalling python${py_ver}-venv..."
+                apt-get -o DPkg::Lock::Timeout=120 install -y python3-venv python3-pip "python${py_ver}-venv" python3-full 2>&1 | tail -n 10 >&2 || true
+                rm -rf "$BOT_DIR/venv"
+                python3 -m venv "$BOT_DIR/venv" || { log_error "venv still broken, aborting. Manual fix: apt install python${py_ver}-venv python3-pip"; return 1; }
             else
                 return 1
             fi
diff --git a/lib/common.sh b/lib/common.sh
index 9abf57c..72398d1 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -3,7 +3,7 @@
 # Colors, logging, spinner, system helpers, v1 compat, i18n-aware
 
 # ── Version ───────────────────────────────────────────────────────────────────
-GOTELEGRAM_VERSION="2.4.4"
+GOTELEGRAM_VERSION="2.4.5"
 GOTELEGRAM_NAME="GoTelegram"
 
 # ── Пути ──────────────────────────────────────────────────────────────────────